Here's a picture help lol​

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

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