Which description can be written as the expression StartFraction 8 Over 21 n EndFraction?

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

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.