When you subtract x2 + 2xy + y2 from 2x2 + 6xy - 3y2, what is the result?

What is the approximate circumference of the circle shown below?

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

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation