What two numbers have a product of -15 and a sum of -2?​

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

2/3(-6y+9x) expand each expression using the distributive property