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- Use the order of operations to show that (3+5)2is 64, and then use that numerical example to explain why (a+b)2a2+b2 .arrow_forwardIn the figure, A-B-C. If AB=x, BC=x+7, and AC=4x-3 find x.arrow_forwardThe number of ways of choosing r objects from n objects is called the number of ___________ of n objects taken r at a time and is given by the formula C(n, r) = ___________.arrow_forward
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