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
The answer is 6√200, or on edge.
-7.
5x-3 = -15
-15-4\4= -16
-16 + 9 = -7
I got letter A when I tried it