The area of a circle is 36π square units. how many units long is its radius? (use only the digits 0 - 9 and the decimal point, if needed, to write the answer.)

The radius is

Step-by-step explanation:

we know that

The area of a circle is equal to

In this problem we have

substitute in the formula and solve for r

Simplify

square root both sides

english, cause i can’t you

step-by-step explanation:

a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 2 times the age of the child?

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this needs to be the answer format, or else your answer is incomplete.

if the number of years is x, then the equation is

in __ years