Find the factors of a trinomial: 121m^2-49m^2

Tori examined the pattern of exponents in the table. based on the pattern, which statements are true? check all that apply.

Given: ac and db are diameters. m∠3=

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