Directions:Simplify the following monomials. SHOW ALL STEPS! ANYONE PLEASE HELP ME I REALLY NEED THE ANSWER RIGHT NOW BECAUSE I HAVE TO PASS THIS TOMORROW I HOPE Y’ALL CAN HELP ME AND PLEASE SHOW THE STEPS TOO:(

I’LL MARK YOU AS THE BRAINLIEST!

Angle mno is s rotated 180 degrees counterclockwise about the origin to form angle m’n’o’. which statement shows the measure of angle m’n’o’?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]