2x+36 and 7x are supplementary. That means they add up to be 180. 2x+36+7x=180 and 9x=144 so x = 16
Answer:
h=15
Step-by-step explanation:
subtract 16 from 31
Answer:
Option C. 
Step-by-step explanation:
we have

Solve for x
That means ---> isolate the variable x
Multiply by 8 both sides to remove the fractions

Multiply by -1 both sides
Remember that
When you multiply or divide both sides of an inequality by a negative number, you must reverse the inequality symbol

Divide by 5 both sides

M<NQN = 180° - 2[180° - (60° + 80°)]
m<NQM = 100°
~100°