What did you include in your response? Check all that apply.
vertical angles theorem
corresponding angles theorem
transitive property
supplementary angles
linear pairs

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.