Diego was asked to plot these points: \((\text-50, 0)\), \((150, 100)\), \((200, \text-100)\), \((350, 50)\), \((\text-250, 0)\). What interval could he use for each axis? Explain your reasoning.

Represent each of the following situations with a positive or negative number. Explain what a number with the opposite sign would represent in each situation.

1. a loss of 4 points
2. a gain of 50 yards
3. a loss of \$10
4. an elevation 23 feet above sea level

Jada is buying notebooks for school. The cost of each notebook is $1.75.

1. Write an equation that shows the cost of Jada’s notebooks, \(c\), in terms of the number of notebooks that she buys, \(n\).

2. Which of the following could be points on the graph of your equation?

   \((1.75, 1)\)

   \((2, 3.50)\)

   \((5, 8.75)\)

   \((17.50, 10)\)

   \((9, 15.35)\)

A corn field has an area of 28.6 acres. It requires about 15,000,000 gallons of water. About how many gallons of water per acre is that?