What are the steps for using a compass and straightedge to construct a regular hexagon inscribed in a circle?

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.