Answer:Formula:A=a2
To the area of a square,rectangle or parallelogram just multiply base times height to calculate the area of a square
Explanation:
input x.
sq=x*x.
print sq.
<span>The half life is the time needed for half of a sample of radioactive isotope to break down to form daughter isotopes.</span>
A). The south was relieved that the war finally coming to a close.
Answer: Longitudinal study.
A longitudinal study is one that involves repeated observations of the same variables over a period of time (in the example, it was four years). The opposite type of study is a cross-sectional study (one that looks at the variables at a given moment).
