There are 40 entries in the science fair. how many ways can they finish in first, second, and third place?

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 the solution of log2  (3x  -  7)  =  3? 4 5

Me asap! what is the slope of this line? enter your answer in the box.