2 The line y=-x-2 is graphed below. If the system comprised of this line and the line y=-2x+6 were
3
solved, which of the following would be the y-coordinate of the solution?

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?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.