Which are equivalent ratios to 4: 9? check all that are true. 9: 28 20: 45 12: 27 4: 24 8: 18

The chart below shows the distribution of weeds in yard

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25