Kylie buys a soccerball for $16 plus a 7% tax. James buys a basketball for $20 plus a 7% tax. Enter the difference in the amount Kylie and James paid, including tax. Round your answer to the nearest cent.

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.

What is another way to express 36 +32

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin. how many doctors use brand x aspirin