Using the following prices, calculate the unit price to determine how much it would cost for 7 granola bars and 9 bottles of water. $7.14 for 6 granola bars $8.72 for 8 bottles of water a. $18.14 b. $18.63 c. $21.41 d. $31.72

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%