The sides of a triangle have lengths 12, 16 and 21. an angle bisector meets side of lengths 21. find the length of x and y

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

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

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form