Pls asap which equation represents a proportional relationship? y=32x y=−2x y = 4x + 3 y=2(x+1)

Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

According to the data set, where should the upper quartile line of the box plot be placed?