Answer:
m∠1 = 50°, m∠2 = 90°, m∠3 = 40°, and m∠4 = 50°
Step-by-step explanation:
Angles on straight line are equal;


Vertical angles are equal,

Complementary angles add up to 90°.

Angles on straight line adds up to 180°


Set it equal to each other. 3x-38+7x-95=47. 10x-133=47. 10x=180. X=18
The answer is your welcome
-8x2-x +5 hope this helps