Answer:
D: -3
Step-by-step explanation:
I only chose this one because C. doesn't have a number and because it said she went down three levels. So if this isn't right I don't know what is.
Answer: D
The ground floor is 0, so 0-3=-3
6
B
When dilated with an x scale factor, the corresponding sides are always x times bigger.
100
The two angles form a straight line which is 180 degrees
5+x +75 = 180
Combine like terms
x+80 = 180
Subtract 80 from each side
x +80-80=180-80
x = 100