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Solve the problem.
-Find the number of permutations of the letters in the word DOUBLE.
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Q34: <span class="ql-formula" data-value="f ( x ) =
Q37: A spinner is spun. Assuming that
Q69: <span class="ql-formula" data-value="\begin{array} { l } y
Q90: A spinner is spun. Assuming that
Q95: <span class="ql-formula" data-value="\frac { 1 } {
Q211: <span class="ql-formula" data-value="- 7 , - 15
Q236: 7 + (-7)= 0<br>A)identity property of addition<br>B)inverse
Q251: 5(-1)(9)(-9)<br>A)5<br>B)405<br>C)-405<br>D)86