Question

PLEASE HELP ASAP THANK YOU

Answer 1

Answer: x = 180 - (31+40)

Reason

The three angles combine to a 180 degree angle (aka straight angle). That means the angles must add to 180

31+x+40 = 180

x+(31+40) = 180

x = 180 - (31+40)

That simplifies to x = 109. As a check, 31+109+40 = 180.