What is a counterexample for the conjecture; any number that is divisble by 4

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!