10n? + 9n– n
what’s the answer?

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

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