a population has a mean of 72 and a standard deviation of 21. find the mean and standard deviation of a sampling distribution of sample means with the sample size n=49

The solution set for 5v2 – 125 = 0 is

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.