A bacteria culture doubles every hour. If there are 15000 bacteria now, how many bacteria were there 6 hours ago? Use an exponential equation and answer to nearest bacterium

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

Which value would be a solution for x in the inequality 47-4x< 7

What statement is true? 2x^2-9x+2=-1