Plz explain how i'm doing this slope wrong!

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?