Roman numeral cmlxxvi to a babylonian numeral

The factorization of 8x3 -125 is (2x-5)(jx2 +kx+25)

Select the lengths in centimeters that would form a right triangle

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?