How do you find the equation of a line that passes through (1,6) and is parallel to the line that passes through (2,5) and (3,4)

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

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