1. sam drove to the beach, 160 miles from his home, at 40 miles per hour. he drove home the next day at 20 miles per hour. calculate the total number of hours that sam spent driving. (hint: distance = rate * time 2. if motocross ace elizabeth bash can travel 110 feet per second on her kawasaki cycle, it would take her seconds for her to travel one mile. hint* there are 5280 feet per mile

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.