The measure of an angle is 7y. Which expression should be used to determine its supplement? (1 point)
A. 180 - 7y
B. 180 + 7y
C. 90 - 7y
D. 90 + 7y
1 answer
A. 180 - 7y
A. 180 - 7y
B. 180 + 7y
C. 90 - 7y
D. 90 + 7y
1 answer