Answer:
40 degrees
Step-by-step explanation:
It is a vertical angle so because the right side is 40 degrees it is the same on the left side. The measure of Angle 1 is 40 degrees.
If we use the formula, which is

, Then it would give us y = 4x - 10! Hope this helped!
Answer:
it's A,B and D , Edge 2021
Step-by-step explanation: