Manual has $600 in a savings account at the beginning of the summer. He wants to have at least $300 in the account at the end of summer. He withdraws $28 a week for food. Which in equality represents W the number of weeks manual can withdraw money while not dropping below a $300 balance

Through non-collinear points there is exactly one plane.

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.

Can someone explain to me how to do