Question 1

Carolyn sells homemade candles. Write an expression for her total revenue if she sells x candles for $10 each.

Accepted Answer

D

Question 2

Evaluate the expression for the given values of the variables.

Accepted Answer

A

Question 3

Bob drove 378 miles in 7 hours. Find Bob's average speed (in miles per hour).

Accepted Answer

54 miles per hour

Question 4

Read the following scenario and determine whether the type of reasoning used by Paul is inductive or deductive. Explain how you decided.
Paul knew that his friend, Leanne, had been late the past 8 workdays, so he didn't save a seat for her at morning meeting.

Accepted Answer

The answer of Read the following scenario and determine whether...

Question 5

Convert the unit of mass.

Accepted Answer

The answer of Convert the unit of mass. ...

Question 6

Write the phrase as an algebraic expression.
The product of  -15  and  n .

Accepted Answer

A)    -15 n 
B)   
C)    -15+n 
D)

Question 7

A polygraph test is sometimes used to detect if someone is lying, but it is generally not admissible in court because of its dubious accuracy. A polygraph test is given to 98 people, and the test is wrong for 24 of them. What is the empirical probability that the polygraph test is wrong for a randomly chosen person? What is the probability that it is right?

Accepted Answer

The answer of A polygraph test is sometimes used to...

Question 8

Find the circumference of the circle. Use 3.14 for

Accepted Answer

The answer of Find the circumference of the circle. Use...

Question 9

Solve the equation using the multiplication or division property of equality.

Accepted Answer

The answer of Solve the equation using the multiplication or...

Question 10

Solve the inequality. Write your answer in interval notation.

Accepted Answer

The answer of Solve the inequality. Write your answer in...

Question 11

Bill's daughter is 26 years younger than he is. Write an expression for his daughter's age if Bill is  A  years old.

Accepted Answer

A)    A+26 
B)    A - 26 
C)    26A 
D)    26 - A

Question 12

Canned pumpkin comes in two sizes, 29 oz and 15 oz. The larger can costs $1.39 and the smaller can costs $0.79. Find the unit cost of each can to three decimal places to choose the best buy.

Accepted Answer

A)  larger: $0.048 per oz, smaller: $0.027 per oz; The smaller can is the best buy.
B)  larger: $0.093 per oz, smaller: $0.053 per oz; The larger can is the best buy.
C)  larger: $0.093 per oz, smaller: $0.027 per oz; The smaller can is the best buy.
D)  larger: $0.048 per oz, smaller: $0.053 per oz; The larger can is the best buy.

Question 13

Write the rate as a unit rate. The Byrne family drove 348 miles in 3 days.

Accepted Answer

A)  115 mi/day
B)  117 mi/day
C)  116 mi/day
D)  118 mi/day

Question 14

Solve the proportion.

Accepted Answer

The answer of Solve the proportion. ...

Question 15

Find the circumference of the circle. Use  3.14  for

Accepted Answer

The answer of Find the circumference of the circle. Use...

Question 16

Solve the equation using the multiplication or division property of equality.

Accepted Answer

The answer of Solve the equation using the multiplication or...

Question 17

Convert the metric unit of length using the prefix line.

Accepted Answer

The answer of Convert the metric unit of length using...

Question 18

Solve the equation using the multiplication or division property of equality.

Accepted Answer

The answer of Solve the equation using the multiplication or...

Question 19

Write the ratio in two other ways.

Accepted Answer

The answer of Write the ratio in two other ways....

Question 20

A jar contains 16 marbles: 5 blue, 8 green, and 3 yellow. What is the probability of choosing a yellow marble from the jar?

Accepted Answer

A)  1/3
B)  3/8
C)  3/16
D)  1

Exam 2: Making Sense of It All

Carolyn sells homemade candles. Write an expression for her total revenue if she sells x candles for $10 each.

Evaluate the expression for the given values of the variables.

Bob drove 378 miles in 7 hours. Find Bob's average speed (in miles per hour).

Read the following scenario and determine whether the type of reasoning used by Paul is inductive or deductive. Explain how you decided. Paul knew that his friend, Leanne, had been late the past 8 workdays, so he didn't save a seat for her at morning meeting.

Convert the unit of mass.

Write the phrase as an algebraic expression. The product of -15 and n .

Find the circumference of the circle. Use 3.14 for

Solve the equation using the multiplication or division property of equality.

Solve the inequality. Write your answer in interval notation.

Bill's daughter is 26 years younger than he is. Write an expression for his daughter's age if Bill is A years old.

Canned pumpkin comes in two sizes, 29 oz and 15 oz. The larger can costs $1.39 and the smaller can costs $0.79. Find the unit cost of each can to three decimal places to choose the best buy.

Write the rate as a unit rate. The Byrne family drove 348 miles in 3 days.

Solve the proportion.

Find the circumference of the circle. Use 3.14 for

Solve the equation using the multiplication or division property of equality.

Convert the metric unit of length using the prefix line.

Solve the equation using the multiplication or division property of equality.

Write the ratio in two other ways.

A jar contains 16 marbles: 5 blue, 8 green, and 3 yellow. What is the probability of choosing a yellow marble from the jar?