Ima post the questions in another one if and on that one I will also give the 50 point

One common system for computing a grade point average (gpa) assigns 4 points to an a, 3 points to a c, 1 point to a d, and 0 points to an f. what is the gpa of a student who gets an a in a 3 credit course, a b in each of two 2 credit courses, and a d in a 2 credit course?

5. to comply with implementation requirements, shops must ensure that paint booth exhaust systems use efficient spray booth filters. a) 75% b) 100% c) 50% d) 98%

Give an example of the type and scale of economic activity for a traditional economy.