The mean score on a driving exam for a group of driver's education students is 80 points, with a standard deviation of 5 points. apply chebychev's theorem to the data using kequals2. interpret the results.
at least __ % of the exam scores fall between __ and

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

In the diagram, gef and hef are congruent. what is the value of x