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Rationalize the numerator and simplify. Assume all variables represent positive real numbers.
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Q9: <span class="ql-formula" data-value="y"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>y</mi></mrow><annotation encoding="application/x-tex">y</annotation></semantics></math></span><span
Q89: <span class="ql-formula" data-value="\frac { 6 x }
Q91: <span class="ql-formula" data-value="\frac { 14 } {
Q122: <span class="ql-formula" data-value="\frac { x + 3
Q162: <span class="ql-formula" data-value="\left( - 6 x ^
Q175: <span class="ql-formula" data-value="4 x + 4 x
Q237: <span class="ql-formula" data-value="f ( x ) =
Q277: <span class="ql-formula" data-value="\frac { 6 - \frac
Q366: <span class="ql-formula" data-value="( 7 - 35 i
Q367: <span class="ql-formula" data-value="\sqrt { x ^ {