Answer:
6x+21
Step-by-step explanation:
The other diagonal would be 13 feet as well because it is a rectangle.
Answer:
1
-----------
-3
Step-by-step explanation:
(9, -2) (-3, 2)
2- -2 4 1
--------------- = --------------- = ---------------
-3-9 -12 -3
(simplifyed)