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OpenStudy (anonymous):
Find 2r2 + 3s3 − r2 + 4t2 − r2 if r = −2, s = −3, and t = 5. a. −19 b. −37 c. 27 d. 19 Ive done it about 4 times and still haven't gotten the right answer.
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OpenStudy (anonymous):
The numbers after the variables are exponents
OpenStudy (calculusxy):
Can you show your work here and probably you or I might catch your mistake?
OpenStudy (anonymous):
OpenStudy (calculusxy):
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