1. Solve for x:
   1. $ 3x + 5 = 14 $
   2. $ 5x - 2 = 13 $
   3. $ 10 + 6x = 5 $
   4. $ 9 = -3x + 6 $
2. A runner starts running at noon exactly, going 10 miles per hour. At 12:30 pm, a bicycle starts chasing the runner, going 12 miles per hour.
   1. Make a careful graph showing the positions of ...

HW 2 on linear equations and models, graphing, and limitations

A review assignment on algebraic operations