-12 - 7k + 6k - 8+ k*

-20

Step-by-step explanation:

Combine Like Terms:

=−12+−7k+6k+−8+k

=(−7k+6k+k)+(−12+−8)

=−20

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:

your answer is the frist one

hop i