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Q15: Two different tests are designed to
Q15: <span class="ql-formula" data-value="\sum _ { \mathrm {
Q38: <span class="ql-formula" data-value="\begin{array}{l}x-y+z=4 \\x+y+z=-2 \\x+y-z=-12\end{array}"><span class="katex"><span class="katex-mathml"><math
Q51: Consider the data points with the
Q57: <span class="ql-formula" data-value="\begin{array}{l}x+y+z=7 \\x-y+2 z=7 \\2 x+3
Q79: <span class="ql-formula" data-value="\sqrt { 10 q -
Q98: Decide whether the matrices are inverses
Q108: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2705/.jpg" alt=" A)
Q137: <span class="ql-formula" data-value="( 7 - \sqrt {
Q152: <span class="ql-formula" data-value="f ( x ) =