What is the length of side ij in the diagram?

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Guys i really need or i have to stay late up night

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