Answer:
Explanation:
So that it can be better for the person
Contour plowing, the contour lines of the terrain are being traced, and curves are considered the contour lines in this instance. Contour plowing is always done parallel.
I think the answer is A
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Y=-(x^2-20x+64)
----find two numbers that multiply to 64 and add to -20. They are -16 and -4--
y=-(x-16)(x-4)
ROOTS : 16, 4