A line with a positive slope intersects a horizontal line 1 unit above the x-axis. Select each point that can not be the intersection of the two lines. (1,−4)

(2,1)

(−2,1)

(1,4)

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

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]