Answer:
the answer is A
Step-by-step explanation:

The answer would be C, oxygen because there was not a sufficient amount.
There are millions of solutions I’d recommend going to desmos and putting in a polynomial to find out if it does
Answer:
D. NM=12; mK=70°
Step-by-step explanation:
KN≈KM so they have the same 55° and then
180°-55°-55°=70° and
6*2=12