Answer:

Step-by-step explanation:
we know that
The surface area of a sphere is equal to

we have

substitute


12 1/4 because the original answer is 12 3/12 but you should simplify it to 12 1/4.
Answer:
520
Step-by-step explanation:
must be the answer..
Answer: 84 mm is MAYBE the answer.
Answer:
Sorry it's acually (h+3)(h-9)