Two angles are supplementary when they <span>add up to 180 degrees </span>⇒
m∠1 + m∠2 = 180°
4y + 7 + 9y + 4 = 180
13y + 11 = 180
13y = 180 - 11
13y = 169
y = 169/13
y = 13
m∠2 = 9y + 4 = 9 * 13 + 4 = 121°
Answer:
5/3
Step-by-step explanation:
Standard form is Ax + By = C with A, B, C being constants
Answer:
60 yards back
Step-by-step explanation:Mutiply 4 and 15
