How are experimental and theoretical probability alike?

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?

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.