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.
:)
X^2 - 5xy + 6y^2 = <span>(x - 3y)(x - 2y)
answer is </span><span>C) (x - 3y)(x - 2y)
hope that helps</span>