Lisa started with $45 in her account. She saves $15 per week. Ben has no money in his account, but adds $22 per week. Write an inequality to represent how long Ben will have less money in his account than Lisa.

What are potential hypotheses (explanations) regarding why there are ecological equivalents between many metatherians and eutherians? discuss your hypothesis in terms of the processes that could lead to the current ecologies and distributions of metatherians and eutherians.

What is the value of x when x + 7 = 21?

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