Plz help no links like imma fail so no links

Which of the following changes to a pipe would increase the conductance by a factor of 12? 1.quadrupling the length and tripling the radius.2.reducing the length by a factor of and doubling the radius.3.tripling the length and reducing the radius by a factor of .4.reducing the length but a factor of and doubling the radius.

What is the order of the moon, earth, and sun in a lunar eclipse and a solar eclipse?

Energy is the ability to do work which measures what