Answer:
18
Step-by-step explanation:
Plugging in 3 for n, we get:
Hope this helps!
Answer:
58 degrees
Step-by-step explanation:
We know the sum of all the angles in the figure is 360 degrees. Also the angles with the squares are 90 degrees. So 360-90-90-122 = 58 degrees.
Answer:
30
Step-by-step explanation:
-3x2x=-6x, 8x-6x+12= 3x-18
30=x