Write an equation of the line that passes through the point (–7, –9) with slope –4.

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /