A rectangular prism has a length of 12 in., a width of 5 in., and a height of 4 1/4 in. The prism is filled with cubes that have edge lengths of 1/4 in. How many cubes are needed to fill the rectangular prism?

What is the missing step in this proof ?

Solve the equation by completing the square. x^2+2x=17

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