Q45: For the given functions <span
Q46: <span class="ql-formula" data-value="\frac{8 x+4 y}{5 x^{2} y}-\frac{3
Q47: For the given functions <span
Q48: A plane flies 400 miles with
Q49: Newton's Law of universal gravitation relates
Q51: One number is one larger than
Q52: A number minus 12 times its reciprocal
Q53: <span class="ql-formula" data-value="\frac{x}{4}-\frac{x}{7}=5"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mfrac><mi>x</mi><mn>4</mn></mfrac><mo>−</mo><mfrac><mi>x</mi><mn>7</mn></mfrac><mo>=</mo><mn>5</mn></mrow><annotation encoding="application/x-tex">\frac{x}{4}-\frac{x}{7}=5</annotation></semantics></math></span><span
Q54: <span class="ql-formula" data-value="\frac{x^{2}+14 x+13}{x^{2}+5 x+6}+\frac{x^{2}-8 x-9}{x^{2}+5 x+6}"><span
Q55: Find the missing numerator and denominator.<br>-