8.3x2 +0.9xy + 3.6
7.4x2 - 1.7xy + 6.4

How can we find the measure of an exterior angle if we know the measurement of an interior angle

At which value in the domain does f(x) =0?

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?