12g^2 + 7g^2 simplify

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 probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52