It is a math problem of first degree equation:
a hotel has double and triple rooms. in total, 40 rooms and 94 beds. how many rooms are there of each type?
can you explain me this probles step by step?

Which is the completely factored from of xy^3-x^3y

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. the heights of the girls in an advanced swimming course are 55, 60, 59, 52, 65, 66, 62, and 65 inches. match the measures of this data with their values.

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?