M= y2-y1/x2-x1
Make sure you put it in the form
Hope this helps!!:))
Answer: Infinite solutions.
Step-by-step explanation:

Plug the value of y into the second equation.

Add 12 on both sides.

Add 4x on both sides.


Answer:
x = 11
Step-by-step explanation:
2x + 34 = 56
2x = 56 - 34
2x = 22
x = 22/2
x = 11
Answer: Other names for plane C can be plane EFG or plane EBF hope that helps (: