5x6-2x3 where would i put the ( ) to make 84

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?