Which sets of side lengths represent Pythagorean triples? Check all that apply.
1) 1, 2, 5
2) 6, 8, 14
3) 8, 15, 17
4) 10, 24, 26
5) 15, 20, 30
6) 28, 45, 53

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%