Answer:
Option b: False
Explanation:
Descriptive studies are actually the observational studies describing the occurrence patterns to different diseases relative to various variables including person, place or time.
It includes the collection of quantitative information in tabulated form along a numerical continuum.
Answer:
B:Flexability
Explanation:
He wants some one flexable so they fit in with the schedule and jobs he has for the employee
Rectification is "C. The conversation of an AC current to a DC current
Answer:
Global knowledge is the answer
Answer:
area = 2.14 * 3 ** 2
Explanation:
No clue what language you use but this should be pretty universal. To find the area of a circle you use pi(r) ^ 2 or pi times radius squared

In python it looks like this:
>>> area = 3.14 * 3 ** 2
>>> print(area)
28.26<em> <Printed text</em>