Answer:
the correct answer is b :)))))!!!
Step-by-step explanation:
Before we answer, the area of a Circle given it radius is

The area of a circle given it diameter is

So let answers question 1-4.
1. The area is

2. The area is

3.

4.

For the 5th problem, circumference is

where d is the diameter and

where r is the radius.
A circumference of 100 m means the radius is 50 because


So this means the area is

Answer : I’ll say it’s B.
If it’s wrong sorry. I tried.
So you would multiply if it has the word of in the problem right?
D.
10>(12)-7(0)
10>12.... False