GUYS HELP please i dont know what to answer

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.

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles