Abox is filled with 7 red cards, 4 brown cards, and 3 yellow cards. a card is chosen at random from the box. what is the probability that it is a red or a yellow card? write your answer as a fraction in simplest form.

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040