The equation y=4.2x could represent a variety of situations. Write your own description of a situation represented by this equation. Decide what quantities x and y represent in your situation.

Which statement accurately explains whether a reflection over the y-axis and a 270° counterclockwise rotation would map figure acb onto itself? a coordinate plane with figure acb with point a at 1, 1, c at 3, 4 and b at 5, 1 yes, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) yes, a″c″b′ is located at a″(1, 1), c″(3, 4), and b″(5, 1) no, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) no, a″c″b″ is located at a″(1, 1), c″(3, 4), and b″(5, 1)

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3