Washing his dad's car alone, Taylor takes 6.5 hours. If his dad helps him, then it takes 4 hours. How long does it take Taylor's dad to wash the car by himself?

What is always true about a positive integer raised to a negative odd power?

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

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