Identify whether the relationship between ∠a and ∠b in the image below is complementary, linear pair/supplementary, or vertical.

1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Write a corresponding real world problem to represent 2x - 125=400

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer