Aball shaped like a sphere has a radius of approximately 2 and 1/8 inches. which is the best estimate of the volume of the ball

4+6x-3x^3 in standard form with explanations because i don’t understand

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

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]