X= a 35 b 50 c 65 help me out

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

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9

Astudent found the solution below for the given inequality. |x-9|< -4 x-9> 4 and x-9< -4 x> 13 and x< 5 which of the following explains whether the student is correct? -the student is completely correct because the student correctly wrote and solved the compound inequality. -the student is partially correct because only one part of the compound inequality is written correctly. -the student is partially correct because the student should have written the statements using “or” instead of “and.” -the student is completely incorrect because there is no solution to this inequality.