Heather is trying to decrease the amount of toys that oliver has. originally, he had 55 toys in his room and now he only has 30. by what percentage did heather decrease the amount of toys?

b

step-by-step explanation:

b

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: