Choose a random number between 1 and 25. What is the probability that it is an even number

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

Which representation has a constant of variation of -2.5

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?