A shopper uses a department store gift card to pay for 5 sweaters priced at $18 each. What is the change in value of the gift card?

18x5

Step-by-step explanation:

all you have too do is multiply 18x5 witch you will get 90

its 4 because 2 times 2 is 4, if you double the number two you get four

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: