7< m - 5 what is the answer to this equation?

Could somebody me with this radical simplification?

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

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.