Use the discriminant to determine which relation has no zeros. a) y = 4x^2 + 3x - 9
b) y = 9x^2 - x + 7
c) y = -5x^2 - 15x + 11
d) y = x^2 + 6x + 9

Math ! will give branliest at a car and truck dealership, the probability that a vehicle is white is 0.25 . the probability that it is a pick up truck is 0.15 . the or obability that it is a white pick up truck is 0.06 . what is the probability that the vehicle is white, given that the vehicle is a pickup truck . round your answer to two decimal places .