Find an equation of the line that has an undefined slope and contains the point ( -9, 6 ) if possible, write the equation in slope-intercept form. check that the ordered pair that represents the given point satisfies the equation.
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Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base