Which methods can you use to solve this problem:
X^2 -47=0

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 remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

Divide. write in the simplest form. 4 1/6 divided by 10