An element with mass 670 grams decays by 21.8% per minute. how much of the element is remaining after 15 minutes, to the nearest 10th of a gram?

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

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

Carly stated, “all pairs of rectangles are dilations.” which pair of rectangles would prove that carly’s statement is incorrect?