The correlation between two scores X and Y equals 0.88. If both scores were converted to z-scores, then the correlation between the z-scores for X and z-scores for Y would be −0.88
0.12
0.88
−0.12
0.0

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

Which geometric principle is used to justify the construction below?

Y+ 2/y is it a polynomial in one variable or not? and if so, why?