What be is thw word for a number a variable or a product of a number and one or more variables

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?

In angle pqr find the measure of