Write the standard equation of a circle with center (2, −5) and radius 16.

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs