The slope of the line is 1/4
Answer:
Longitudinal study
Step-by-step explanation:
Information is collected over extended periods of time in a longitudinal study, but in cross-sectional, natural observation, and experimental studies, information is collected over short periods of time or in one time only. Based on the choices given, this type of study would be a longitudinal study.
2.25*x=10
Which x is the number of books purchased
Solve for x
X=10÷2.25
X=4.44