Answer: A
Step-by-step explanation: 2x=4/5
Divide both sides by 2
2x/2= 4/5/2
simplify
x=5/2
100 miles / 4 hours
(divide each side by 4)
25 miles / hour
V = 4/3(pi)(r^3)
V = 4/3(pi)(4.2^3)
V = 310 cm^3
Good luck!
True because the center is (2,1) and radius is 2
