Moriah pays $25 to join a lunch club that allows her to buy fancy lunches for $5 each. let represent the number of lunches she purchases and represent the total cost.
i) give an equation that describes the situation.
ii) what is the total cost of buying 12 lunches?

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

What is the value of x in the diagram below?