A rectangular gym floor is 88 feet long and 63 feet wide. Which is the best estimate for the area of the gym floor in square feet A. 80*60=4,800
B. 90*70=6,300
C. 90*60=5,400
D. 100*60=6,00

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?

What is the ratio of the length of an object in yards to the length of the same object in miles?