The radius of a cylinder is decreasing at a constant rate of 4 feet per minute, and the volume is decreasing at a rate of 841 cubic feet per minute. at the instant when the height of the cylinder is
9
9 feet and the volume is 513 cubic feet, what is the rate of change of the height? the volume of a cylinder can be found with the equation
v
=
π
r
2
h
.
v=πr
2
h. round your answer to three decimal places.

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.