Write the equation for a parabola with a focus at (9,0) and a directrix at y=-4

Y=?

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

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

The diagram shows a cuboid abcdefgh abcd is a square with area 25cm². find the volume of the cuboid.