(6/22 + 5/77) ^2 equalviant to in fraction form

How can you construct perpendicular lines and prove theorems about perpendicular lines

Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)

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