A car drives at a speed of 500 miles per hour. It takes the car "r" hours to reach its destination. Enter an equation that can be used to find the number of hours it will take the car to 450 miles away

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

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