What is the value of the discriminant for the quadratic equation 0=2x^2+x-3

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu