Examlex
Q45: <span class="ql-formula" data-value="\left\{ \begin{array} { l }
Q46: A rectangular lot whose perimeter is
Q48: <span class="ql-formula" data-value="\begin{array} { l l }
Q51: <span class="ql-formula" data-value="\begin{array}{c}x+2 y \geq 2 \\x-y
Q117: <span class="ql-formula" data-value="2 y = x +
Q138: <span class="ql-formula" data-value="\left( - 4 , -
Q143: <span class="ql-formula" data-value="z = - 14 +
Q171: Is there a profit when 910
Q197: The wind is blowing at 10
Q220: <span class="ql-formula" data-value="( x - 3 )