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OpenStudy (anonymous):

Find 2r2 + 3s3 - r2 + 4t2 - r2 if r = -2, s = -3, and t = 5.

OpenStudy (anonymous):

@SarahEZZMcK @Night-Watcher

OpenStudy (anonymous):

In the math section, not feedback.

OpenStudy (anonymous):

You'll get much more assistance there.

OpenStudy (anonymous):

Close this question.

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