Expand and simplify each of the following expressions.
(a) 5(a + 2b) – 36
(b) 7(p + 10q) + 2(6 + 79)
(c) a + 3b – (5a – 4b)
(d) x + 3(2x – 3y + z) + 7z

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