Guys
15 points
again
cause I don't need em and you guys can have em

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

What is the simplified form of square root of 400 to the 100th power ?