NEED ASAP which function displays this end behavior?

The amount of energy it takes to lift a box might be a function of which of the following

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