Quadrilateral ABCD is dilated with center (0,0), taking B to B′. Where would A' be located?

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

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]