Q113: Simplify the complex fraction.<br>- <span class="ql-formula"
Q114: <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
Q115: <span class="ql-formula" data-value="\frac{x^{2}+12 x+27}{x^{2}+18 x+81} \cdot \frac{x^{2}+9
Q116: <span class="ql-formula" data-value="\frac{23}{x-9}-\frac{11}{x-9}"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mfrac><mn>23</mn><mrow><mi>x</mi><mo>−</mo><mn>9</mn></mrow></mfrac><mo>−</mo><mfrac><mn>11</mn><mrow><mi>x</mi><mo>−</mo><mn>9</mn></mrow></mfrac></mrow><annotation encoding="application/x-tex">\frac{23}{x-9}-\frac{11}{x-9}</annotation></semantics></math></span><span
Q117: Evaluate the rational expression for the
Q119: A contractor finds that it takes
Q120: Simplify the rational expression. (Assume the
Q121: For the given rational functions
Q122: Determine whether the two binomials are
Q123: <span class="ql-formula" data-value="\frac{x}{2}-\frac{2}{x}=0"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mfrac><mi>x</mi><mn>2</mn></mfrac><mo>−</mo><mfrac><mn>2</mn><mi>x</mi></mfrac><mo>=</mo><mn>0</mn></mrow><annotation encoding="application/x-tex">\frac{x}{2}-\frac{2}{x}=0</annotation></semantics></math></span><span