Apizza had 9/10 left before lucas ate 4/5 of the pizza. how much pizza is left over?

What is the slope of the equation y =

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

Find the distance between (7,-6) and (-3,-9)