What’s the missing angle

it's answer is 22°

Step-by-step explanation:

Here we can see it is a triangle so sum of all sides of triangle is 180°

Let the missing angle be x

x + 120° + 38° = 180°

x + 158° = 180°

x = 180° - 158°

x = 22°

180 - 120 - 30

22

Step-by-step explanation:

0

Step-by-step explanation:

5(x+3) replace x with -3

5(-3+3)

5(0)

0