Which polynomial is equivalent to 8x3+12x2x when x≠0?

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12