Suppose that you add 10 to all of the observations in a sample. how does this change the sample mean? how does it change the sample standard deviation?

Combine the information in the problem and the chart using the average balance method to solve the problem.

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?