Answer:
yes, i agree. the right angle is 90 and 90+90=180. The law of the congruent angle states that if one angle in a the plane is right then the other connected must be as well, making line L 180.
Step-by-step explanation:
i badly explained it however you should get the answer correct with that. i think... use your brain in addition to mine.
Answer:
$87
Step-by-step explanation:
6x12=72
72+15=87
Answer: 8m-1n
Step-by-step explanation:
add 3m + 5m to get 8m
-4n+3n is -1n
thus the answer being 8m-1n
