Ali's dog weighs 8 times as much as her cat. together, the two pets weigh 54 pounds. how much does ali's dog weigh?

Write the converse of the following statement: if the trees have no leaves, then it is fall. if the trees have no leaves, then it is fall. the trees have no leaves, therefore it is fall. it is fall since the trees have no leaves. if it is fall, then the trees have no leaves.

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Which expression is equivalent to 8(k + m) − 15(2k + 5m)?