Answer:
Step-by-step explanation:
12.3 + 9.6 = 21.9
You simplify it by solving it which means it's 4x4 which equals 16 so the answer is 16
Answer:
-0.04x+0.9
Step-by-step explanation:
The answer is 115 because the interior angle is 65 and 115 plus 65 is 180. You want 180 because the angles are opposite and make a straight line