Anew school randomly assigns a six character student code to every prospective student. the school uses the characters 1, 2, 3, 4, 5, x, y, and z. if none of the student codes contain a repeated character, what is the total number of codes that can be randomly assigned?

1: 4 if the wew 35 surfboards at the beach how many were short boards?

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.

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers