If f(x) = x + 1, and g(x) = 2x,
then
f(g(x)) = [ ? ]x + [ ]

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Which expression is equivalent to 3^3 + 2^2?

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?