The amounts below show the change (measured in feet) in water level over four months. What is the average monthly change in water level? -2.54, -3.16, -2.82, 1.6

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

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What can you determine about the solutions of this system