Answer:
Step-by-step explanation:
Surface area of sphere = 125 sq.ft
4πr² = 125
4*3.14*r² = 125

r = 3.15 ft
B because 5xanything ends in 0 or 5
Answer:
x^16
Step-by-step explanation:
We know that a^b * a^c = a^ (b+c)
x ^7 * x^9
x^(7+9)
x^16
The correct answer is A. 17
Hope this helps