Pls me with 8. a and b (show ) + lots of points!

Plz hurry evaluate the expression a+b where a=8 and b=19

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.

Given abc find the values of x and y. in your final answer, include all of your calculations.