Anyone please please help it’s 15 points! But please answer this

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.

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

Yvaries directly as x. y =90 when x=6. find y when x=13