*URGENT* A private jet flies the same distance in 8 hours that a commercial jet flies in 4 hours. If the speed of the commercial jet was 172mph less than 3 times the speed of the private jet, find the speed of each jet.

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet