Which is the least metric mass?

0.0019 kg
0.19 g
190 cg
1900 mg

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Which representation has a constant of variation of -2.5