Choose the correct answer that simplifies each expression. 5/8m + 9 - 3/8m - 15

a.) 1/4m - 6
b.) m + 6
c.) 1/4m + 6

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

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 is the rate of change of a line that passes through (2,-5) and (6,-2)?