Find the value of x. (geometry)

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

Find the value of x. give reasons to justify your solutions! c ∈ ae

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two