Joanna purchased four boxes of cookies for a party. Each box cost $3.28, including tax. PLEASE HELP Which expression represents how to calculate the total cost of the cookies Joanna purchased? 4 ÷ $3.28
4 – $3.28
4($3.28)
4 + $3.28

Cara earns a base pay of $1800 per month at a car dealership plus a commission of 6% of her sales. what are caras total earning in a month in which she sells $40000 worth of merchandise

How do the graphs of y = 1/x and y=5/x+6 compare?

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.