
means you shade the part above the line, and

means you shade the part under the line.
If it has an equal bar under it, like this:

, then you also shade the line, by making it solid instead of dotting it.
The answer is (-2, 10) because when reflecting over the x, change the sign of y. When reflecting over the y, change the sign of x.
The answer is 0.0009 because when you have a 5 behind the number you are trying to round, you round up
Pretty sure your answer would be 50,000.
since line VM is the bisector, that means it splits it right in half
so angle AVM would be half of AVB
so 88/2 = 44 degrees