1st. Try to make x by itself. Divide 12 on each side.
After it will look like this
x=12
It would be 60 degrees because compliment means 90 degrees. In order to find m<CBD, you would need to subtract 30 degrees from 90 degrees which would equal 60 degrees. 90-30=60
Vertical line has no slope. so only look at the x value. x=-4.
The answer is C: systematic sampling
Answer: C) 150°
Step-by-step explanation: all the angles are the same
