I need help , can someone help me

How long would it take for a ball dropped from the top of a 576-foot building to hit the ground? round your answer to two decimal places.

17 in long 1.3 ft wide and 8in high what is the volume

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0