The lenght of a classroom is 7x - 4. The width of the classroom is 5x + 1 Which expression represents the difference between the length and width of the
classroom?

What is the greatest common factor of 8 and 36

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Consider the function f(x)=-5x+3 what is f(-2)