If the slope of line a is -4 , and line a is perpendicular to line b. which statement below must be true? the slope of line b is -4 the slope of line b is 4 the slope of line b is 1/4 none of the choices are correct.

Which rational number could be graphed between -4 and -5

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

How do you determine if an ordered pair is a solution to a given equation?