What caused the great number of native american deaths?

What is best way to getting answer for my exam is

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-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?