Find the area of the triangles. show all your work

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?

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