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Q28: <span class="ql-formula" data-value="\mathrm { P } =
Q40: a = 66 b = 65.4<br>C =
Q50: <span class="ql-formula" data-value="\begin{array}{r}3 x-2 y \leq 6
Q92: <span class="ql-formula" data-value="\cot x \tan x"><span class="katex"><span
Q132: R = (4, 3), S = (13,
Q139: Let <span class="ql-formula" data-value="\mathbf {
Q234: <span class="ql-formula" data-value="\sin \left( x + \frac
Q252: <span class="ql-formula" data-value="\cos 4 x = 1
Q286: <span class="ql-formula" data-value="\sin \frac { \pi }
Q382: The total sales in dollars of