Chris recieved 3/8 of the 160 votes cast for class president, how many votes did he recieve?

Which math sentence can be used to determine if the triangle is a right triangle?

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

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