Complete the recursive formula of the arithmetic sequence 20, 26, 32, 38, a(1) = ?
a(n) = a(n − 1)+ ?

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.

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

#7. m is the midpoint of pq, the diameter of the circle o is 13in. and rm = 4in. find pm find pq