Pls help 4 brain list

3/10

Step-by-step explanation:

4/5 - 1/2

8/10-5/10

3/10

4/5-1/2

(4×2-1×5)/10 doing cross multiplication and taking LCM

(8-5)/10

3/10

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: