What is the 20th term of the arithmetic sequence 8,21,34,47,

How does reflecting or rotating a figure change the interior angles of the figure?

Find two consexutive odd integers such that the sum of their square is 650

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.