Circles. For transition math. Please help!

Average acceleration: i have no idea how to do this.

Which function has the domain x> -11?

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.