O resultado da. Soma de (-26)com (+5) ?

Quick! what is the area of this trapezoid?

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]

Select the number of ways in which a line and a circle can intersect