What are the solutions of 12 - x2 = 0?
x= 2/3 and x = -223
x=373 and x = -3/2
.
x = 4/3 and x = -4/5
x = 6 and x = -6

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%