A manufacturer claims that a new snowmaking machine can save money for ski resort owners. He states for a sample of 10 tons, the cost of making a ton of snow was $2.25. The average of the old machine was $2.62. The standard deviation of the sample was $1.05. At a=0.10, does the new machine save money?

What other information do you need to prove triangle dac=bca by asa

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.

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2