Elena is designing a logo in the shape of a parallelogram. She wants the logo to have an area of 12 square inches. She draws bases of different lengths and tries to compute the height for each.

1. Write an equation Elena can use to find the height in inches, \(h\), for each value of the base in inches, \(b\).
2. Use your equation to find the height of a parallelogram with a base of \(1.5\) inches.

Han is planning to ride his bike 24 miles.

1. How long will it take if he rides at a constant rate of:

   3 miles per hour?

   4 miles per hour?

   6 miles per hour?

2. Write an equation that Han can use to find \(t\), the time in hours it will take to ride 24 miles, if his constant rate in miles per hour is represented by \(r\).
3. On graph paper, draw a graph that shows \(t\) in terms of \(r\) for a 24-mile ride.

The graph of the equation \(V=10s^3\) contains the points \((2,80)\) and \((4,640)\).

1. Create a story that is represented by this graph.
2. What do the points mean in the context of your story?

At a bulk goods store, 3.1 pounds of cleaner cost $7.72. How much did the cleaner cost per pound? Explain or show your reasoning. Round your answer to the nearest cent.

Andre set up a lemonade stand last weekend. It cost him \$0.15 to make each cup of lemonade, and he sold each cup for \$0.35.

1. If Andre collects \$9.80, how many cups did he sell?

2. How much money did it cost Andre to make this amount of lemonade?

3. How much money did Andre make in profit?