Answer:
70 degrees
Step-by-step explanation:
We know that a straight line is 180 degrees so this equation can be used:
80 + x + 30 = 180
110 + x = 180
x = 70
Hope this helps :)
Answer:
(-2, 3) is going to be your answer.
Answer:
A
Step-by-step explanation:

, or answer choice A.
You can confirm this by solving the other way and expanding the above expression:



Hope this helps!
Answer:
y=3
x=3
Step-by-step explanation:
2x +3y=15
2x-2y=-12
y=3
x=3