Can anyone me , not sure if my answers is right.

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.

Bugs bunny was 33 meters below ground, digging his way toward pismo beach, when he realized he wanted to be above ground. he turned and dug through the dirt diagonally for 80 meters until he was above ground

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12