Can someone plsss. help me with this? This is Cumulative frequency The Graph in the upper and the questions and the one to solve is below it
HELP! ​

Which of the following transformations will always produce a congruent figure?

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.

With alll of except for the 2 that i did already