Simplify 4^3* 4^5 please help me

Geometry answer picture question pls . reason and statements

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

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]