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Q61: <span class="ql-formula" data-value="9 x ^ { 2
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Q95: <span class="ql-formula" data-value="\begin{array} { r } -
Q97: <span class="ql-formula" data-value="\begin{array} { l } y
Q135: Perpendicular to the line -2x - 5y
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Q245: <span class="ql-formula" data-value="f ( x ) =
Q252: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7697/.jpg" alt=" A)
Q257: A right triangle has one vertex
Q410: <span class="ql-formula" data-value="\begin{array} { l } \frac