Which expressions are equivalent to 5(1/3x+7)-3(1/2x-4)? Select three options. (There’s a picture)

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

The anwser cause i do not understand just plez

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?