When the british system of units was first developed, what was the most common object used as a basis for measuring length?

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?