Asphere has exactly one great 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?

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?