Answer:
a 250 because I've done this before I hope it helps
Answer: 
Step-by-step explanation:
See attached image.
It seems to me this just wants you to add the 3 equations.
2m + 2n +5p
Answer:
B, it's the only plausible one. A is wrong because the value would be above 180°
Answer:
A
Step-by-step explanation:
Look at the graph of the relationship. Find the y-value of the point that corresponds to x = 1. That value is the unit rate