What’s this answer?

3+4 (5-3)= ?

a) 11
b) 12
c) 13
d) 14

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)