Exam 1: Building Blocks of Algebra

If the sales tax rate is 6% write an expression for the sales tax on a purchase costing c then evaluate that expression if c equals $120.

Round to the nearest tenth of a percent.

Use the table given to pick the matching bar chart. y= year p = profit in million

Simplify the expression .

Divide the decimals.

Which one of the following represents the graph of ?

Round to the hundredths place.

The following gives U.S. unemployment rates for the months of 2009. In what month(s) was the unemployment rate above 9.6% and below 9.9%?

Every fraction may be written as a decimal.

Multiply or divide as indicated without a calculator.

A ball is thrown straight upward from a bridge and then falls all the way to the ground (past the bridge). The ball s height h (in feet) above the ground t seconds after the ball is thrown is given by h(t) = 16 t + 48 t + 111. Find the net change in the height of the ball from time t = 1 seconds to t = 4 seconds.

Translate the phrase into an algebraic expression. Double the sum of n and

The cost for a cell phone plan starts at $29.99 per month plus $0.07 per minute. Which of the following models the monthly cost of the cell phone based on the number of minutes used?

Name the property that was used in the following equation.

How many terms are in the expression?

The number of gallons of water remaining in a pool t hours after it began to drain is illustrated in the table below. What is the first difference of the number of gallons of water?

Find the value of .

Round 7.098 to the hundredths place.

Write the coordinates of the ordered pair at point A .

Round to the thousandths place.