Find the mode number of calories for the hamburger 250, 270, 280, 280, 320

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

Common binomial factor of 6x(3x+7)+5(3x+7)

If the perimeter of the garden is 37 ft. the width is x and the length is 15 ft. what is the width of the garden in feet?