One bottle of shampoo cost 6$ for 8 ounces. a second bottle cost 4$ for 5 ounces of shampoo. which has a lower unit? how much lower?

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

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]

What is the value of x in the following equation. -x ^3/2 = -27