Answer: 140 degrees
A straight line is 180 degrees. Since we know one of the angles in the line is 40, we just subtract 40 from 180. So, the measure of angle 1 plus the measure of angle 2 is 140 degrees.
:)
Answer:
0.015 miles
Step-by-step explanation:

Answer:
(4,-2)
Step-by-step explanation:
Answer:
Since x=−3 is a vertical line, the slope is undefined.
Step-by-step explanation: