Which of the following guarantees that abc and def are similar triangles? (with picture)

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

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl

I’m confused on how to work the pie charts