Free Homework Help Videos from Brightstorm - Math, Science, Test Prep

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On #4, I think that the answer the quiz says is wrong. I think it's 41 degrees, not 49 degrees.

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Isn't B or D a better place to start because you can get the answer within two tries, with a higher chance of getting the right answer on the first try? If B doesn't work, then try D.

1
answer

Is the answer for number 4 on the [turning variables into #s quiz] for the SAT prep correct? I don't think any of those answer choices work for -0.5.

5
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What is a perfect square? Is it a number that when square rooted, the number is a whole number? Or is it a number that results in a rational number when rooted?

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