Suppose cluster sampling were being used to survey users of particular social networking site. 28% of the entire population of the united states uses this site. based on the table below, which city would be considered the best cluster to use for this survey

10 ! in a race, nick is 50 feet in front of jay after ten seconds. how fast can nick run, if jay can run 20 feet per second?

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

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?