Answer:
−3(x+9)
Step-by-step explanation:
Answer:
C is answer I think 0, because
The sum of the measures of the angles in a triangle is always 180 degrees.
If you follow the procedure in the question, you will have a straight angle when you put the pieces together. All straight angles have 180 degrees. Therefore, there are 180 degrees in every triangle.
Answer:
-20
Step-by-step explanation:
All that you have to do for this question is just form the equation:
-12-8=x
And solve, which is:
-20
