What number is 40% of 720

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

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! ❤