A triangle is dilated with a center of dilation at the origin. Point S is at (6,9) and S' is at (42,63). What is the scale factor?

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?