Find the % change from 66 hours to 58 hours. show work

1foot = 12 inches; 1 yard = 3 feet

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

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%