Suppose we want to choose 3 letters, without replacement, from the 4 letters A, B, C, and D. a) How many ways can this be done, if the order of the choices matters?

b) How many ways can this be done, if the order of the choices does not matter?

Ihonestly have no clue if it's each or none.

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

Acar loses a quarter of its value every year. it is originally worth $35,000. to the nearest dollar,how much will the car be worth in 8 years?