Mandy has 1 drink and Karl has 2 Mandy takes all of Karl's drinks

How many days was the temperature above 90 degrees?

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

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab