5x - 8 + 7 -2x + 3 - 11x

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.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)