If it takes Tracy of an hour to clean a bathroom, and it takes Trent of an hour
to clean a bathroom, how much total time
does it take Tracy and Trent to clean the
bathrooms?

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%

Stefania pours 2 liters of orange juice and 1.5 liters of pineapple juice into a punch bowl. how many liters are in the punch bowl?

What is the answer to question 11? will give extra points! include a explanation (reasonable) for you : )