A rectangle has a height to width ratio of 3 to 4.5. Which two examples of 10 points dimensions for rectangles could be scaled versions of this rectangle?
Choose2 answers.*
O 3 to 5
O 6to 9
O 7to 10
O 9 to 13.5

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

W-16=-12 solve each one step equation plz

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?