Help please will mark brainliest

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.

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons