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Q21: In a survey of 5000 high school
Q31: You toss a coin 4 times.
Q41: <span class="ql-formula" data-value="y = - 3 x
Q101: Suppose a basketball player is an excellent
Q117: If the vertex of the graph of
Q168: In a particular town, 20% of the
Q179: The amount of time workers spend commuting
Q218: 100 employees of a company are asked
Q562: <span class="ql-formula" data-value="a _ { 1 }
Q564: <span class="ql-formula" data-value="3 x^{2}+4 y^{2}-24 x+48 y+180=0"><span