a race started at 9 am. The winner crossed the 3 km finish line at noon. What was the average rate of speed for the winner?

With: label the vertices and all the elements needed. find x

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?