Write as a product
60 + 6ab - 30b - 12a

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

Which expression is equivalent to the expression shown?

What is 1/3x5 on anuber line what does it look like on a number line