How do you determine the number of roots (not determine if they are real or imaginary, but determine the NUMBER of roots)

An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. which store sells at a better rate

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

If you could answer these your a life saver