How do you subtract to find the sum of a positive and negative integer

positive integer subtraction 8-9= -1

negative integer subtraction -8-(-9) but before you can subtract you have to distribute the negative sign so now your problem looks like -8+9 because a negative times a negative equals a positive and now your answer is 1

c.

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: