Answer:
A, (4,-3), (1, -1), (7,-6)
Step-by-step explanation:
f(x, y) = (y, -x) there is a 90° clockwise or 270° counterclockwise rotation
A quadtriatel is said to contain perpendicular diagnols if four go 90 degree angles are formed at the intersection of these lines
Equations -
I like to find the decimal expression of the fractions, to make this easier.

Divide each sides by 0.6

Answer: 6/7
It would take 5 yrs. for both trees to be the same height.