What value of (n) in the expression below would make it a perfect square trinomial? x2 - 14x + n.

А: n = 49
B: n= - 49
C: n = 7
D: n = -7

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c

step-by-step explanation:

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.

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