Answer: DE=11
Step-by-step explanation:
3x-28+3x-30+x=33
3x+3x+x-28-30=33
7x-58=33
7x=91
x=13
DE=3x-28
DE=3(13)-28
DE=39-28
DE=11
Answer:
The slope can 1/2 or 0.5
I think the triangle is not a parallelogram because it is three sided. A parallelogram needs 4 sides.
I don't know if I understood correctly but there can be 0, 1, 2, etc, or infinite solutions
