Answer:
5
Step-by-step explanation:
81 cubic ft. is the answer.
Diameter = 14 cm
r = 14/2 = 7 cm
Outer surface area of hemisphere =2πr²
= 2π*7*7
= 98π cm²
Linear: y=3x-5
Non-Linear: y=x^2+3x+7
[in picture]
