The first one, SAS Postulate
Answer: 3
Step-by-step explanation: y=-2, also y=-2x+4. Therefore, we got a equation: -2=-2x+4. You then minus 4 from both sides of the equation and you will get -6=-2x. You then solve for x by dividing -6 by -2, you get x=3
Step-by-step explanation:
lines with the same slope are parallel.
I hope it's helpful!!
It has to obey all the polynomial rules, like 3x^4 or 6x, it has to have the base then the power.