The answer is A. 2 and 4
Reason:
To formula for circumference is 2 x r x pi
2 x 2 = 4, 2 x 4 = 8and 4 + 8 = 12
Area is r ^2 x pi
2 ^2 = 4, 4^2 = 16 and 4 + 16 = 20
C. The quotient of a number and five. Although five divided by a number might seem right it’s not because the variable is clearly in front of the five. I’m 99% sure that’s right
Answer:



this is the answer
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Answer:
That is tough
Step-by-step explanation:
Answer:
They all look right but i'm not sure about the last one?
Step-by-step explanation: