The ratio of rock music to total cds that ella owns is 25/40. paolo has 50 rock music cds. the ratio of rock music to totals cds in his collection is equivalent to the ratio of rock music to total cds in ella's collection. how many cds do they own? a) 65 b) 80 c) 120 d) 130

The image of abc is a'b'c. what transformations would result in this image? abc is reflected over the line x = 1, then is rotated -90° around the origin. abc is reflected over the line y = x - 1, then t: (x, y) → (x - 1, y - 1). abc is rotated 90° around the origin, then is reflected over the y-axis. abc is rotated -90° around the origin, then is reflected over the line y = -1.