Answer:The answer would be -2 I know this because if you add 10 on both sides you will get -2.
Step-by-step explanatithe answer will be be -2
Answer:
I think it's 50 degrees...<em>(</em><em>alternative</em><em> </em><em>angels</em><em>)</em>
A triangle has sides of lengths 9,7, and 12 is not a right triangle .
23
Step-by-step explanation:
19=x-4
x=23
