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Perform the indicated operation. Where possible, reduce the answer to its lowest terms.
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Q8: Let <span class="ql-formula" data-value="B =
Q56: <span class="ql-formula" data-value="\left\{ \begin{array} { l }
Q85: <span class="ql-formula" data-value="\left\{ \begin{aligned}x - y +
Q94: <span class="ql-formula" data-value="\left\{ \begin{array} { c }
Q110: <span class="ql-formula" data-value="7 ( x + 2
Q115: <span class="ql-formula" data-value="\left( \begin{array} { l }
Q145: <span class="ql-formula" data-value="( - 3 m -
Q167: Find the 6th term of the
Q178: If 251 is added to a number,
Q251: <span class="ql-formula" data-value="y=\sqrt{x+2}"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"