Answer: a
Step-by-step explanation: its getting rid of water and the original is 40
------------------------(- K)-------------0-------------(+K)-----------------
K unit to the left of 0, means K is negative.
The opposite of (-K) is (+K), both are symmetric vs. the origin "0", then its location will be +K
Answer:

Step-by-step explanation:
Solving
:

Answer:
24
Step-by-step explanation:
4x+16 + 68 = 180
4x + 84 = 180
4x = 96
x = 24
9514 1404 393
Answer:

Step-by-step explanation:
The letters designating the end points of the segment may be listed in either order. The symbol over the pair of letters is a bar with no arrows on it.
__
Arrows on the bar over the point names indicate a ray (arrow to the right) or a line (double-ended arrow). This is only a segment, which does not extend beyond its end points.