8. There is no solution. The absolute value of a number is always positive.
9. There are two solutions. Since the absolute value of a number is always positive, a solution can either be 4 or -4.
10. There is no solution because of the same reason for number 8.
11. There is one solution. There really is not -0.
12. There are two solutions. Since the absolute value is always positive, the solution can be either 15 or -15.
It is going to be D.
Moving left/right means that you are working with the x value, and moving up/down means you are working with the y value.
Moving left/down means subtract and moving right/up means add
1. -.6 or -3/5
2. -.4 or -4/9
Answer:
City 1 and City 2
Step-by-step explanation:
The water is moving down stream, moving from City 1-2-3-4 in that order.
if water was taken a the X mark, the pollutants would have to have come from the cities above where the sample was taken.
Hope this helps!
