Can somebody help me with this one section of the question, please.

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.

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2