Which metric unit of measurement is best to use to describe the height of a tree a kilometers b millimeters c liters d meters

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?