Please help will give brainliest and lots of points In a certain country, television stations names contain either three or five letters and must start with either the letters W, X or Y.

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

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.