An element with mass 820 grams decays 26.8% per minute. How much of the element is remaining after after 18 minutes, to the nearest 10th of a gram?

What is the value of f(x) = 2.2 for f(-2)?

Robert plans to make a box-and-whisker plot of the following set of data. 27, 14, 46, 38, 32, 18, 21 find the lower quartile, the median, and the upper quartile of the set? lower quartile: 19.5; median: 29.5; upper quartile: 42 lower quartile: 14; median: 27; upper quartile: 46 lower quartile: 18; median: 27; upper quartile: 38 lower quartile: 16; median: 29.5; upper quartile: 42

Each unit cost 14p, how much would 942 units cost?