Answer:

Step-by-step explanation:
A percent is out of 100.

I hope this helps.
The best estimate is:
D ) 3 meters.
You can eliminate the others as not making sense.
Answer:
The perimeter is 44. Because we know the midpoints and distance between the sides of XR is half the side and YS is half the other side, those sides are 10 and 14. QS is a full side already so it is just 20. 20+14+10=44 for the perimeter.
Number 2 makes no sense, you've omitted something needed there.
Step-by-step explanation:
1. (2,-5)
2. (-5,-2)
3. (-2,5)
4. (2,5)
5. (5,-2)
6. (-2,-5)
7. (5,2)
8. (-5,2)
Each 90° clockwise turn takes a point (x,y) and transforms it to (y,-x). For a 180° turn you would do this process twice in a row; for a 270° turn, three times in a row.