What are the domain and range of the function f(x) = negative square root x+3-2 Please help.

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

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

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?