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49 square units

Step-by-step explanation:

When the length of the sides of a figure are increased by a scale factor, the area is increased by the square of that scale factor.

Since the scale factor used is 7, this means the area is increased by a factor of 7² = 49.

Multiplying the area of polygon V by the scale factor, we have 1(49) = 49.

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12/11c

or

12

c

11

x = ± 6i

step-by-step explanation:

x^2 = -36

take the square root of each side

sqrt(x^2) = sqrt(-36)

we know sqrt(ab) = sqrt(a) sqrt(b)

x = ±sqrt(36) sqrt(-1)

we know that sqrt (-1) = i

x = ± 6i