A person drove at a speed of 42 miles per hour on a back road during a recent trip. They can drive the same distance of 91 mph on the interstate in three hour less. What is the distance they drove on the back road ?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?