What is a more precise measurement : 18cm or 177 mm

Ateacher asked his students to vote for an animal to be their class pet. five-eighteenths of the students voted for a rabbit, voted for a snake, and voted for a hamster. which statement is true? more students voted for a hamster than a snake. more students voted for a snake than a rabbit. more students voted for a rabbit than a hamster. more students voted for a snake than a hamster.

Through: (-3,-3) parallel to y= 7/3x+3

This is so hard and it’s for a test