WILL MARK BRAINLIEST IF G0TTEN RIGHT

What is the solution to the equation 9^(x+1) =27

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?

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if