There is a bag filled with 5 blue and 4 red marbles. a marble is taken at random from the bag, the colour is noted and then it is replaced. another marble is taken at random. what is the probability of getting 2 of the same colour?

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

Ineed your ! i was to turn this into pond first thing i gotta do is outline the inside with this plastic how big should i cut the plastic the height: 10 1/2” the length: 40” the width: 12” me !