PLS HELP! I WILL GIVE THE FIRST GOOD ANSWER BRAINLIEST! A whopper bought shoes marked $40. The sales tax is 8%. How much did the shopper pay in tax? How much did the shopper pay in all?

can I have full explanation because I don't GET IT AT ALL

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.