Find the discriminant of the equation and explain completely what that means about the solution. 24y^2-11y-14=0

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?

Kerion has a beaded necklace business. she can make 12 necklaces is 2 hours. how long will it take her to make 9 necklaces?