Answer:
a: 56.52 inches cubed (in^3)
Explanation:
a:
basically just finding the volume of the half sphere.
4/3 pi r^3 divided in half
4/3*3.14*3^3
4/3*3.14*27
4/3*84.78
113.04
divide it in half
56.52 inches cubed
b:
sorry, I dont know how to find the slant :(