Answer:
(3,0)
Step-by-step explanation:
The midpoint formula is as follows:

x1 would be 9, x2 would be -3, y1 would be 2, y2 would be -2. When plugged in, you should get 6/2, and 0/2 for y. When simplified, x would be 3 and y would be 0. This means that the midpoint of the line segment is (3,0)
Answer:
16920
Step-by-step explanation:
6% of 18000 is 1080 so 18000-1080 is 16920
Answer:
Parallelogram
Step-by-step explanation:
Since the opposite sides are parallel in the given polygon, it is parallelogram.
Answer:
20 cm slant height
Step-by-step explanation:
Everything in the picture.