Addessen surveys students in her computer class about time spent on computers by students in her school. Will the survey results from this sample support a valid inference? Explain your answer.

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

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

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?