The quotient of 2 times a number and 8

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.

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²