Find the perpendicular distance from the point p(2, 7, 9) to the xy-plane.

Find the multiplicative inverse of 8-12i

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

Identify the number as a rational or irrational.explain. 127