How to simplify -(-3d)^4

What is the slope of a line that is perpendicular to y = 3x + 1

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

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =