Answer:

Step-by-step explanation:
If we have the equation
and we want to test if the point (4,–2) satisfies the equation, we can plug the x and y values into the equation and see if they make the equation true.
4 is the x value, -2 is the y.



So this does satisfy the equation.
Hope this helped!
The answer to this question is z=-5
Answer:
10^4
Step-by-step explanation:
He used 7 pints all together because there at 2 cups in each pint and 4 pints in a half a gallon.
I believe only two but im not really sure on that