Common difference of 1, 4/3, 5/3, 2

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?