What is the solution set of {x|x<2} {XIX > 2)?

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

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?

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?