Answer:
always negative
Step-by-step explanation:
That is, if you exclude 0. If you count zero as a positive number, that will be the exception to the rule. Luckily, zero is usually considered neither negative or positive.
The answer to the solution of the equation 5x+2y=-1 is 1,-3)
You have to times all the numbers together to get the surface area.
So that means you have to do 16*12*5.
The last graph is the correct answer.