A toy manufacture has designed a new piece for use in building models. It is a cube with side length 13 m and the diameter of 6m. How much material is
needed for each piece? Answers may be in terms of pie.

What’s -11-33k and factor each expression completely

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?

Simplify (8x2 − 1 + 2x3) − (7x3 − 3x2 + 1). −5x3 + 11x2 − 2 5x3 − 11x2 + 2 x3 + 2x2 + x3 x3 − 2x2 − x3