In a proportional relationship between variables X and y, which of the following expressions would be constant? . X+y. X•y. Y-x. Y/x

Combined megan and kelly worked 60 hours.kelly worked twice as many hours as megan.how many hours did they each worked?

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?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2