You have trained all year for a marathon. in your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4.5 hours. what would your average speed have to be to complete the race in 4.5 hours? give your answer in kilometers per hour.

This is really important 1.which of the following prefixes represents the largest value? (2 points)gigahectorkilomilli2.which of the following types of graphs is best for plotting the mean, median, and mode of data? (2 points)bar graphbox-and-whiskercircle graphstem-and-leaf