The length of a poster is 2 times its width, if the perimeter is 72 inches what is the area of the poster

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

Precalculus question, image attached.

Which of the following can be used to explain a statement in a geometric proof?