Aschool supply store owner sold 9 book bags and earned $270.00

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?

Which expression gives you the distance between the points (5,1)and(9,-6)

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq