Answer:
2(u+3v)
2 times u is 2u and then 2 times 3v is 6v.
2u+6v
What question are you trying to ask?
Answer:
circumference of a circle = 2*pi*radius
just multiply 3.14 (pi) by 2 by the radius/diameter divided by 2
The answer is c. 240π
V=πr² h/3 =π×6²× 20/3 ≈753.98224