I need the answer and the step by step explanation. ​

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

Which shows how to solve the equation 3/4x=6 for x in one step?

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?