The graph of y=x^2+4x+3

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

What is the value of g(8) for the function g(x) in part c? what does this value mean in the context of the situation you described in part c?

Charlene's parents deposit $500 in an account on the day she is born. the account earns a high interest rate of 9.2% compounded quarterly because charlene is not allowed to access the money until her 22nd birthday. how much money will charlene have on her 22nd birthday? a: $3,698.50 b: $5,921.31 c: $101,200 d: $ 824.58