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If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?