The scale on a map shows that 10 kilometers is represented by 4 centimeters. Which proportion can be used to find the actual distance, x, represented by 20 centimeters on the map?
X
O
10
4
10
4
le & STIX
х
O
10
20
10 X
20

What challenges did nigeria faced after it gained its independence from britain

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a researcher conducts a comparison of the comments made in a publicly available blog and the blogger's comments on a similar topic in a weekly magazine. undergraduate students in a field methods class are assigned a research question and asked to interview another classmate, to be followed by a class discussion on interview techniques. a cognitive psychologist enrolls undergraduate students for a computer-based study about the effect of mood on problem-solving behaviors. a researcher sets up a meeting with the superintendent of a large and diverse public school system to get data about the ethnic composition of the school system and the number of students receiving free lunches.

What is the best definition of a resident alien? a resident alien is a person who lives in a country but is not a citizen of that country. a resident alien is a person who was an immigrant but has become a citizen of the country. a resident alien is a person who wants to move to another country for school or work.