A collection of dimes is arranged in a triangular array with 14 coins in the base row, 13 in the next, 12 in the next, and so forth. Find the value of the collection.
B Any one who says different, either 1) doesn't know what they are talking about or 2) just want to watch you get it wrong. If you want to answer a question like this please research before you post so that way other people will get it right. Thanks! :)
what is x if the problem is: (x+2)(x+4)=30+x
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