What is not a description of slope? rise over run
the rate of change of a line
change in yover the change in x
the ratio of horizontal change compared to vertical change

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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