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Q54: Write the augmented matrix for the
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Q145: <span class="ql-formula" data-value="\begin{aligned}7 x - 9 y
Q227: 5, 6, 7, 8, . . .<br>A)
Q229: Use Cramer's rule to solve the
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Q361: <span class="ql-formula" data-value="3 x = 2 y
Q388: <span class="ql-formula" data-value="\sum _ { k =
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Q456: A 5-card hand is dealt from