Joyce saved $170 on an item that was 60 % off. what was the original price?

283.3

Step-by-step explanation:

You have to divide 170 by .6 to find the original price.

the expected value of the random variable : 0, 1 and 2

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: