Answer:
The slope is

Step-by-step explanation:

2(2,1)(14,10)
(4,2) - (14,10)= (-10, -8)
The coordinates of K are (-10, -8).
Answer:
P=30cm
Step-by-step explanation:
So the formula there is to find the Perimeter of the rectangle, so we are going to use it!
Using Substitution:

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10/14 = 5/7
30/36 = 5/6
answer
not proportional