The pictures are below thanks for the help

Issof claims that the scale factor is 1/2. which statement about his claim is correct

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

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