Use the method of separation variable to solve Pde 2xdz/dx-3ydz/Dy=0

Nour and rana are shopping for a christmas tree. they are deciding between 2 22 different types of trees (real and fake) and 4 44 colors for the ornaments (white, silver, gold, and purple). they each created a display to represent the sample space of randomly picking a type of tree and a color for the ornaments. whose display correctly represents the sample space?

Experimental versus theoretical probability. someone me

Use the balanced scale to find the conversion factor that can be used to convert the number of blocks to the weight of the blocks in pounds.