The new shown represents what geometric solid ?

What is the absolute value of the complex number -4-sqrt2i

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.