The C Train travels north at a rate of 80 miles per hour. The D Train travels east at a rate of 150 miles per hour. How far apart will they be after 4 hours?
600

What is the common difference in the following arithmetic sequence? 7,3,-1,-5

Factor the monomial completely 42a3b3

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking