The 17 students on the math team wanted to raise $483.62 to buy practice books. they have already raised $218.25 if each student raises the same amount, how much more money must each student raise

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

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.

This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m