Solve the equation 6 3/7 - 1 6/3

What percentage of roads in germany have no speed limit?

1.3.3 quiz: primary and secondary sourcesquestion 4 of 102 pointsa secondary source is reliable and credible if the person who created thesource is an expert on the topic, is educated and respected in the field ofstudy, and:

Adolescents can display egocentrism when they become about changes in their lives.