What are the inputs of the function below? x -8,2,4,6 f(x) -6,-3,1,5

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie