Solve using the Quadratic Formula.
x2 - 13x – 48 = 0

A: -2, -4
B: -3, -4
C: -3, 16
D: 3, -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]

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12

The gdp is $1,465.2 billion. the population is 249,793,675. find the per capita gdp.