Ben travels 4 times as far as Ian when going to camp. Fern travels as far as Ben and Ian together. Lisa travels 1/2 as far as Ben. In total all four travel 744 miles to camp. How far does each of them travel?

()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

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Line ab contains points a(4, 5) and b(9.7). what is the slope of ab?