What is the shape called that has 16 sides

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at __ link to graph: .

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?