Hey guys, I really need your help right now! What is the discriminant of x^2 - 3x + 3 = 0?

I've been lost with math lately, so the assistance would be very much appreciated! :(

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

Mila's dog weighs 4 pounds more than 8 times the weight of keiko's dog. which expression could be used to fine te weight of mila's dog?