What is the answer to this problem our teacher gave it to us and showed us a way to do it but it don’t work please help

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

Write the function for the graph. (1.8) (0,4)

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.