The drama club is washing cars for a fundraiser if the rate continues how many cars will they wash in 12 hours?

2a+7+4ahow many terms? how many variables? any like terms? yes noif yes, which ones? what are the coefficients? any constants? yes noif yes, which ones? simplify the expression by combining like terms and constants: how many terms now?

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

What is the result of adding the system of equations? 2x+y=4 3x-y=6