The third one because its the only one decreasing
The answer to #1 is D.
The answers to #2 is B,C,D,F.. I'm not sure what the remainder of G says..
Those are adjacent angles. They equal 180 degrees.
10x-20+6x+8= 180
16x-12=180
Add 12.
16x= 192
x=12
I hope this helps!
~kaikers
Answer:
4
Because I took the test and got it correct.
A.concave. Any shape with an angle more than 180 is called concave.
