Jalissa bought a backpack for $30 and n notebooks for $2.50 each.

a. write a function that shows the amount jalissa spent on her backpack and n notebooks.
b. if she spent $40, how many notebooks did she buy?

Which best explains why this triangle is or is not a right triangle?

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

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