Answer:
hmm u hope u get a 100
Step-by-step explanation:
I think but i am not highly sure but it has to be [c]. because if n equals 4 and m then its parallel
is simply the difference of both numbers of course, the price it was sold minus the price it was bought at.

The answers would be a and then ctell me if you need an explaination
Answer:
180 -angle BCD
Step-by-step explanation:
if you've found angle BCD you should be able to find angle DCE as angles on a straight line equal 180°