1. Flight instruction costs a flat fee of $150, plus $75 for each hour of flight time. Which equation best describes the cost of flight instruction f for t hours?
a.) 75 – 150t b.) f = t
c.) f = 150 – 75t d.) f = t

2. If you are caught fishing with an expired license, the fine is $35 (the cost of a new license), plus $2.00 per day for each day over the expiration date, plus $5.00 for each pound of fish you have. Which equation will best determine the fine F for fishing days d days after your license expires and having p pounds of fish?
a.) F = 35dp b.) F = d + 5p
c.) F = 35(2d)(5p) d.) F = 35p

3. Andrew buys books and videos in a store
Andrew buys books and videos in a store. He uses the expression 6b + 12v to find the cost of what he is buying, where b is the number of books and v is the number of videos he buys. Use the expression to find the total cost of 4 books and 5 videos.

4. The expression 20a + 13c is the cost for a adults and c children to enter the science center. What is the cost for 11 children and 6 adults to enter the center?

5. The formula C = (F-32) gives the temperature in degrees Celsius (C) for a given temperature in degrees Fahrenheit (F). What is the temperature in degrees celsius when the temperature is 68 degrees Fahrenheit? 5 9

6. D = (36h + 30), where h is the number of hours Rudy has traveled.
Rudy is driving to his grandmother’s house. The distance in miles he has traveled (D) can be found using the following equation:
D = (36h + 30), where h is the number of hours Rudy has traveled.
How many miles has Rudy traveled if he has been driving for 2.5 hours? 1 2

7. Devon drops a ping pong ball out of a helicopter
Devon drops a ping pong ball out of a helicopter. The equation that describes its height is
h(t) = -4.9t
where t is the time in seconds and h is the height above the ground in meters. Based on the equation, how high would the ping pong ball be after 6 seconds?

8. Evaluate the following expression if a = 5 and b = 4
b(a+b)3
a-b

9. Evaluate 2(x-y) + 3(y-x) if x = 2 and y = 4.