Given the function f(x)=x^2+2x+1 find: f(2a-3/5)

Which best explains why this triangle is or is not a right triangle?

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

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take