Could you show the steps of how to use radicals inside matrices

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

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

Quickly multiply and simplify polynomials (x – 4) (x^2 – 5x – 6)