In ARST, the measure of ZT=90°, RS = 4.8 feet, and ST = 2.4 feet. Find the measure of ZR to the nearest degree.
S
4.8
2.4
Po
R
T

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]

How many solutions does the nonlinear system of equations graphed bellow have?

What is the difference between the equations of a vertical and a horizontal line?