Interpret and Evaluate Expressions

The expression 7h + 1.50d can be used to find the total earnings after h hours and d deliveries have been made.  How much will Sally make after working 10 hours and making 3 deliveries?

• $74.50

• $36

You order CDs for $14.25 each and the website charges $4.50 for each shipment. The expression $14.25p + $4.50 represents the cost of p CDs.  Find the total cost for ordering 4 CDs.

• $61.50

• $22.75

Choose the algebraic expression that matches the verbal phrase: 4 more than 3 times a number

• 4n + 3

• 4 + 3n

• 3 + 4n

• 3n + 4

Which algebraic expression matches the word phrase: 30 less than a number

• 30 < n

• n/30

• 30 - n

• n - 30

• the quotient of a number minus 12 divided by 4

• 4 divided by a number, minus 12

• 12 less than a number divided by 4

• the quotient of 4 and z minus 12

How many terms are in the expression 2x +12 -4y

• 2

• 3

• 4

• 5

Let p = 0.5 and q = 1.5. Evaluate 4p² - 4q.

• 2

• -5.75

• 7

• -5

Evaluate (3x - 4)(x + 8) when x = 2.

• -20

• 100

• 20

• 12

Evaluate 4x + 3 if x = 2

• 45

• 20

• 5

• 11

Evaluate 7y - 3y for y=2

• 40

• 73

• 8

• 4