A= a+b+c / 3

solve for b.
a.) 3a - a - c = b
b.) -c / 3 = b
c.) a - c / 3 = b
c.) -3 - c = b

The triangles are similar. what is the value of x? show your work.

What is the length and width of a 84.5 square foot rug? will mark

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