Colin is buying dirt to fill a garden bed that is a 9 ft by 16 ft rectangle. if he wants to fill it to a depth of 4 in., how many cubic yards of dirt does he need?
if dirt costs $25 per yd3, how much will the project cost? (hint: 1 yd3 = 27 ft3)

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:

i think the answer is d im not sure