In 2010 the population of Austria was about 8.397 times 10 to the power of 6. The population of Switzerland was about 7.783 times 10 to the power of 6. About how much more was the population of Austria than Switzerland?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

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

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?