Answer:
D. Rectangle only
Step-by-step explanation:
It's only a rectangle. It can not be a parallelogram neither a rhombus nor a square
rectangle this is because the opposite sides are equal and are also parallel
m = (n/3) - k
n = 3(k + m)
n = 3k + 3m
n - 3k = 3m
3m/3 = (n - 3k)/3
D
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