There are white, blue, and red boats in a marina. Two-thirds of the boats in the marina are white, 4/7
of the remaining boats are blue, and the rest are red. If there are 15 red boats, how many boats are in the marina?

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

Hurry which expression is equivalent to 3√x^5y?

What is the y-intercept of the line with the equation 3x + 4y = 12?