Is this a function or not: step by step

Name the quadrilaterals that have four equal sides.

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

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%