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Joey Richardson
Mathematics
Yesterday, 20:34
2r^2+3s^3-r2+4t^2-r2
+4
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Aylin Case
Yesterday, 20:53
0
2r^2 + 3s^3 - r^2 + 4t^2 - r^2
=3s^3 + 4t^2
=3 * (-3) ^3 + 4 * (5) ^2
= - (3*27) + (4*25)
=-81 + 100
=19
Answer is 19
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