Am not good at that much but let me try
Answer:
SA= 28 in^2
V= 14 in^3
Step-by-step explanation:
circumference= 2πr
9.4 = 2πr
r = 1.496
surface area of a ball = 
= 
=28 in^2
volume of a ball= 
= 
=14 in^3
Answer:
A.Pi
Step-by-step explanation:
It would be 7.45 since the -3.05 and the -9.5 together would equal -12.55 which subtracted from 20 would equal 7.45