How do you do this equation ?
solving inequalities
8 ≤ 2x < x + 7

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

For which rational expression is -2 an excluded value of x?

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?