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Q30: In the ellipse <span class="ql-formula"
Q37: <span class="ql-formula" data-value="S _ { 4 }
Q65: <span class="ql-formula" data-value="\frac { y ^ {
Q157: In how many ways can a class
Q177: <span class="ql-formula" data-value="\frac { x ^ {
Q179: <span class="ql-formula" data-value="x ^ { 2 }
Q284: A lottery uses balls numbered 1
Q289: <span class="ql-formula" data-value="5 ^ { n }
Q455: Your home state uses a linear
Q456: <span class="ql-formula" data-value="7 x - 5 y