Answer:
751.124
Step-by-step explanation:
area of a cricle is
πr^2
take π to be 22÷7
A= πr^2
A=22÷7*15*15
A=22÷7*225
7 divides 225
= 34.142
22*34.142
A= 751.124
Answer:

Step-by-step explanation:
First, recall the 4 basic imaginary exponents:

So, we want to find:

This is the same as:

52 is 4 times 13. Thus:

Since we know that i to the fourth is 1:

Simplify:

And this equals:

So:

I would say 22 i first looked at amount of average kids in a class then tried every number close. 484/22=22
Answer:
C. 12
Step-by-step explanation:
the greatest common factor between 84 and 96 is 12
Answer:
because coins are more portable
Step-by-step explanation: