Answer:
Therefore, the volume of sphere is 1436.03 cubic units.
Step-by-step explanation:
They are the same because 14 is 2*7 and 21 is 3*7.
Answer:
18
Step-by-step explanation:
The area of a square is always:
A=s^2 where s=side length, in this case:
A=4^2=16 in^2
The perimeter of a square is always:
P=4s, in this case:
P=4*4=16 in
Answer:
The parenthesis means to multiply the numbers. I don't understand any of these either but I hope this helps.
Step-by-step explanation: