#7 is A
For # 5 & 6 is there a multiplication sign between the numbers or is supposed to be a power or something else?
I don't know but I guess there is an answer
Answer:
Volume of the cone =650.06 cubic feet
Step-by-step explanation:
Height of the cone= 14.7 feet
Circumference= 13 feet
Radius = 13/2 = 6.5 feet
Volume of the Cone:

As, 
Putting the values in the formula:
Volume of the cone is :

Volume of the cone is 650.06 cubic feet
I think the third one is the answer