The matrices represents the number of boxes of cookies four Sunshine Scouts had at the beginning and the end of the day. After selling cookies for the entire day, which matrix represents the number of boxes of cookies sold by each troop in that day?

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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.