Explain why the product of two negative integers is not negative. Use (-1) ·(-1)as an example

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

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Which of the following transformations will always produce a congruent figure?