The distance D that a spring is stretched by a hanging object varies directly as the weight W of the object. If a 9-kg object stretches a spring 54 cm, find the distance when the weight is 2-kg. Round your answer to the nearest whole centimeter. a. 65 cm b. 12 cm c. 0 cm d. 6 cm

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125

Select the graph of the solution. click until the correct graph appears. |x| = 3

Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m? -15m = -4m -7m - 8 = m - 4 -3m - 8 = 4 - m m - 4 = -7m - 8 -8 - 7m = -4 + m -8 - 3m = 4 - m