(a) A company has 39 salespeople. A board member at the company asks for a list of the top 5
salespeople, ranked in order of effectiveness. How many such rankings are possible?

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

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.