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Answer:
n = -2
Step-by-step explanation:
4n + 12 = 4
Subtract 12 from both sides.
4n = -8
Divide both sides by 4.
n = -2
Answer:
<h2>A = 52.5 m²</h2>
Step-by-step explanation:
The formula of an area of a kite:

<em>e, f</em><em> - diagonals</em>
<em />
We have <em>e = 15m, f = 7m.</em>
Substitute:
