Find the zeros
f(x)=3x^2-20x-7

Assessment items item 1 garrett is a member of a movie club. he pays a monthly service fee of $5.75 and $2.50 for each movie he rents. which expression represents how much money he will spend for renting x number of movies a month?

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Three times the sum of a number and seven is negative thirty-six. what is the number?