What is the perimeter of a square with a side length of (x+2)? Simplify your answer.

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 y-intercept of the line given by the equation

What is the slope of the line that contains the points (-2,1) and (0,-3)