5 t-shirts and a hat costs £17.00 2 t-shirts and a hat costs £8.00.
How much does a t-shirt cost?
How much does a hat cost?

A t-shirt costs £3.00x, while a hat costs £2.00

Sorry if it's wrong

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: