James has 28 nickels and dimes. All together he as $2.65. How many of each type of coin does he have?

Find the area of an equilateral triangle with a side of 6 inches

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups

Write as a product: ac^2–ad+c^3–cd–bc^2+bd