Jeanne went shopping. She bought 3 DVDs for $12 each. She also bought 4 books for $9 each. Jeanne had a coupon for $10 off her total purchase. Write an expression to find the final cost. What was the final cost for Jeanne's purchase?

EXPRESSION:

((12×3)+(9×4))-10

FINAL COST:

$62

3

step-by-step explanation:

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: