You can fill a 12-gallon tank gas for $28.69 or buy gas for $2.20

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

Factor the monomial completely 42a3b3

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?