Please help me, I can't get this one my teacher gave me to study

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.

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate

Use long division to indentify (12xto the second power+15x-8)divided by 3x