Please help me with this one and there's one more question like this too.

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%

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0