Solve and show solving steps
12x3-42+20

56

Step-by-step explanation: pemdas

12×3 =36

36+20=56

56-42= 14

answer is: 14

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: