Which set of ordered pairs represents a function? {(-2,5), (6,9), (8,4), (8,7)}
{(-1,4), (-5, -2), (6,1), (-2,-2)}
{(-5, -6), (-5,3), (-7,-8),(-1,-9)}
{(-8,-4), (-8,-5), (-6, -1), (3,6)}

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Rewrite so the subject can be y in the formula d=m-y/y+n