PLZ HELP ITS ALLREADY OVER DUE

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.

Acylinder has volume 45π and radius 3. what is it’s height?

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?