There are 12 inches in 1 foot and 5,280 feet in 1 mile. Elena ran 2 ½ miles.

Pls! does anybody know a shortcut for answering these types of questions in the future?

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

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i