Pease help with this question ASAP.

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

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship

Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.