Rebecca gave the cashier $20 to pay for 3 tickets to a museum. The cashier gave her back $1.28 back in change. Each ticket cost the same amount. How much did each ticket cost?

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.

Find solution of the linear equation y = 2/3x + 1/3

The volume of the a sphere whoes diameter is 18 cm is cubic cm . if it's diameter were reduced by half, it's volume would be of its original volume