Select all the points that are on the graph of the line:
For two weeks, the highest temperature each day was recorded in four different cities. Lines
l (Lubbock),m (Memphis),n (New Orleans), and p (Phoenix) are graphs of the temperature over time in each of the cities.

Which statement is true?
Write an equation for the black line.

Write an equation for the green line.

Write an equation for the red line.

Write an equation for the blue line.

Three runners are training for a marathon. One day, they all run about ten miles, each at their own constant speed. Their speeds are shown by an equation, a graph and a table. Which of the three runners is the fastest?
Hint: Which runner has the fastest time per mile?
Explain your answer to question #7.
Graph the equation.
Find the slope between the two points. Show all work.