L x W x H
so 5x5x5 = 125 cm^2 bc its a cube
They are opposites of each other.
-13.2 + 8.1 = -5.1
13.2 - 8.1 = 5.1
We can compare by converting Johnny's reading time into the same unit of Jacky's, hours.
There are 60 minutes in an hour, so use this:

15 < 20, so Johnny read faster. This is 5 pages faster per hour than Jacky.
Answer:
81
Step-by-step explanation:
2x+6=84
2x=78
81
find your own way