Using a table show an estimate of the solution of the equation 6n+3=2

Which of the following are accepted without proof in a logical system? check all that apply.

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%

What is the area of the shaded sector?