N + 2 < −3
pls help
pls pls pls

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]

Will mark name all segments skew to bc

Which of the following circles have their centers in the third quadrant? check all that apply.