Classify the real number. List all the subsets in which the number belongs

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x. (30 points pls )

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

Algebraically prove that a clockwise and counterclockwise rotation of 180° about the origin for triangle abc are equivalent rotations.