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Q41: <span class="ql-formula" data-value="A = \left[ \begin{array} {
Q100: <span class="ql-formula" data-value="\begin{array}{l}x^{2}+y \leq 2 \\x^{2}-y \leq
Q129: Find <span class="ql-formula" data-value="a _
Q137: The difference between the squares of two
Q174: <span class="ql-formula" data-value="\frac { x ^ {
Q178: A person puts $20 into a bank
Q220: <span class="ql-formula" data-value="x ^ { 4 }
Q234: <span class="ql-formula" data-value="\left( 3 x ^ {
Q264: <span class="ql-formula" data-value="- 7 a ^ {
Q269: <span class="ql-formula" data-value="- 15 x ^ {