Answer is 0.89 sorry for bad drawing and putting 89 as the answer instead of 0.89
Answer:
x = 27
Step-by-step explanation:
The angle at any point on a straight line is 180 degrees.
The middle line over there is creating a right angle which is 90 degrees.
This must mean that both sides are 90 degrees.
3x+9 = 90
3x = 81
x = 27
Answer:
A
Step-by-step explanation:

x + 4 = ± 2
x = -2
x = -6