K+3=-9
k=-12 is the answer
1) 12
2) 2y
3) 12+2y
4) 12+2y
Answer:

Step-by-step explanation:

A Trapezoid needs to have one pair of sides parallel.
Two of the points already plotted have the same Y value ( 3)
So the 4th dot, should have the same Y value as the first dot, which is 1.
The 4th dot should be plotted at C (5,1)
Answer:
I think A and C
Step-by-step explanation:
Im srry if its wrong, but my older sister says that its A and C