The center of a circle is at the origin on a coordinate grid. The vertex of a parabola that opens upward is at (0, 9) . If the circle intersects the parabola at the parabola's vertex, which stalement must be true?

Giving ad is congruent to bc and angle bcd is congruent to angle adc prove d e is going to ce

Find the cosine function that is represented in the graph.

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