Supply the missing reason (s) for the given proof number 14

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?

If the scale factor between two circles is 2x/5y what is the ratio of their areas?