Expand $\frac{2.3}{-71.32}$ by multiplying both numerator and the denominator by $100$.
\frac{230}{-7132}
Reduce the fraction $\frac{230}{-7132}$ to lowest terms by extracting and canceling out $2$.
-\frac{115}{3566}
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Math question: Find the length of the hypotenuse of a right triangle with one leg measuring 4 units and the other leg measuring 7 units.
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What is the limit as x approaches 2 of (3x^2 + 2x + 1) / (x^2 - 4)?