Snapshot #1 Review

What is the value of this expression when z = 5?

5z + 9 _______________

Answer explanation

Answer: 34

A plumber earns $40 per hour, plus an additional service fee of $50 for each job.

If h represents the number of hours worked, the plumber's fee (F) can be calculated using the formula below.

F = $50 + $40h

How much, in dollars, does the plumber charge for a job that takes 6 hours?

Answer explanation

Answer: 290

Evaluate 7b-a

• 9

• 12

• 21

• 33

Solve.

11+ (-36)+ (-5)

• -31

• -30

• 30

• 31

An archaeologist descends 22 feet into a canyon, then climbs up 15 feet. What is his final position?

• -37 feet

• -15 feet

• -7 feet

• 7 feet

Which of these expressions has the greatest value?

• 5 x (-5)

• 5 + (-5)

• 5 - ( -5)

• 5 divided by (-5)

Look at above picture.

• F

• G

• H

• J