Rocky has a circular garden and needs to cover it with mulch. He knows the radius of the garden is 10 feet, and each bag of mulch covers 25 square feet. How many bags of mulch does he need?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.