Ill give you a brainless if you help me wit dis

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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?