2. 16 is what percent of 40? 3. 14 is 20%of what number? 4. what percent of 48 is 30? 5. 49 is 200%of what number? 6. 38%of what number is 85? show your work

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.