Katrina is using the recipe below to make vegetable soup. She plans to make 8 batches of the soup. She has 6 pounds of potatoes. Write an expression that Katrina can use to determine how many pounds of potatoes are needed for 8 batches?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

If the value of cos330°is√3/2 then find cos 165°.

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