Exam 1: Organizing and Visualizing Numeric Data

Subtract. Write the answer as a fraction simplified to lowest terms.

Use the conversions sheet to help you answer each question. Be sure to write your calculations before using a calculator. If necessary, round to the nearest hundredth.

Find the mean.

Translate to a mathematical expression. Then simplify. The product of -7 and 2

Refer to the graph indicating the change in value of the Dow Jones Industrial Average for a given week. What is the total change for the week?

Complete the table.

Multiply the fractions and simplify to lowest terms. Write the answer as an improper fraction when necessary.

Convert the unit of capacity.

The table provided gives the expenses for one semester at college.

Simplify.

Simplify.

A coat is on sale for $200. If the regular price is $250, what is the discount rate?

Solve the percent problem for the unknown base. 90% of what length is 54 cm?

Find the length of the sides labeled x and y. Then find the perimeter.

At midnight the temperature was -8°F. By noon, the temperature had risen by 18°F. What was the temperature at noon?

Simplify using the order of operations.

Ty received the following scores for his first 4 tests: 89%, 91%, 78%, 84% Find Ty's mean test score.

Multiply and simplify to lowest terms. Write the answer as a fraction or an integer.

Round to the thousands place. 47,316

Add. Write the answer as a fraction simplified to lowest terms.