It would be C, because a straight line equals to 180 degrees, and since 3 is 86, and lines m and n are parallel, 180-86 = C.94. Hope this helps!
it would be y = -12/5. Hes the work. hope this helps!
Answer:

44000(1+.0825)^10=$97214.65≈$97215 to the nearest dollar
I think a would be 115 degrees. B would be 71 degrees. I think the second question would be c.