Richard work 20 hours this week he also got a Bonus of $25 if he made at least $185 how much does he get paid per hour ​

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 use technology ans find a sum of 6.712e-8. write this sum in standard form

Is (root2 -2)^2 rational or irrational. show the steps and answer fast