Answer:
Solution in photo
Step-by-step explanation:
Answer:
Congruent bases does NOT guarantee that a trapezoid is isosceles.
The answer is -40 because if you get rid of the negative sign and add instead of subtract... you get 40 so its like adding in the opposite direction.
Answer:
(8,5)
Step-by-step explanation:
x=8
5*8-2y=30
40-2y=30 . subtract 40 from both sides
-2y=-10 . divide both sides by-2
y=5