When converting between two measurement units, how can you tell which operation to use

Which expression gives the area of the triangle shown below

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

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