Can somebody me with the math's questions with forming and solving equations?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

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.

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.