21x + 84 + 12x - 16
33x + 68
The correct answer is 1.) 33x + 68.
Hope this helps!
A is correct.
If the two shorter sides squared and added together, equals the longer side squared, then it is a right triangle.
10 1/5
really hopes this helped you with what you were solving
Answer:
Step-by-step explanation:
6x-3+75=180
6x=180-72
6x=108
x=108/6=18°