Write the equation of the circle with the given center and radius: (h, k)= (-4,6), r=7

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The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

Prove that 16^4-2^13-4^5 is divisible by 11.