Can you substarct in any orde?

With number 11 ( show how you got the answer)

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?