Answer:
V=a^3
V=8 1/2^3
V=614.125
Step-by-step explanation:
The left side is the absolute value of 5 - x so 5 - x can be positive or negative
5 - x = 2
x = 3
Also 5 - x = -2
x = 7
Answer x = 3 or 7
7 miles per hour
