Skyler asked 15 random students in the lunch line what they planned to eat
for lunch. Is this sample likely to be
biased?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

What are the solutions of the equation? 5z^2 + 9z - 2 = 0 a. 1, -2 b. 1, 2 c. 1/5, -2 d. 1/5, 2

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