Lorena's backpack has a mass of 15,000 grams. What is the mass of Lorena's backpack in kilograms?
Lorena's backpack weighs
kilograms.

How is working backward similar to solving an equation?

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.