What is the value of the discriminant, b^2 − 4ac, for the quadratic equation 0 = x^2 − 4x + 5, and what does it mean about the number of real solutions the equation has?

Which of the following is a justification used while proving the similarity of triangles lom and mon

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

The ksp expression for the system pbcl2(s) pb+2(aq) + 2 cl-(aq) is: [pbc12][pb+2][2cl-] [pb+2][cl-]2 [pb+2][2cl-]2 [pbcl2][pb+2][cl-]2 [pb+2][2cl-]2[pbcl2]