What is the maximum for f(x)= 625-16x^2

What 2 forces allow things to fall ‍♀️‍♀️

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.

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees