99 point question, plus !
( answer genuinely, and do not answer just for points, if you do, your answer will be deleted, and those points will be taken

this is calculus not basic

9.) set up and evaluate the integral that gives the volume of the solid formed by revolving the region about the x-axis.
y=6, y=12-(x^2)/12
a • v = pi*[integral from 6(sqrt(2)) to -6(sqrt(2))] ((12-(x^2)/12)^2)-36 dx = 2016/5 (sqrt(2))pi
b • v = pi*[integral from 6(sqrt(2)) to -6(sqrt(2))] ((12-(x^2)/12)^2)-36 dx = 4032/5 (sqrt(2))pi
c • v = pi*[integral from 12 to -12] ((12-(x^2)/12)^2)-36 dx = 4032/5 (sqrt(2))pi
d • v = pi*[integral from 12 to -12] ((12-(x^2)/12)^2)-36 dx = 2016/5 (sqrt(2))pi

** show all of you work, if you do not, your answer will be deleted, and the points you earned will be taken

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step-by-step explanation:

introduction, methodology, results, discussion

step-by-step explanation:

an observational study is one which consists of actual observation to record data and then analyse the data.

there are a number of factors that should be analyzed before starting an observational study.

the main four factors are:

i) introduction:   this should be analysed to check whether the purpose of the study is correctly established and the data recorded are appropriate for the study

methodology:   the method of collecting the data, such as whether randomly selected, and whether sample size matches with the population to be studied, whether questions asked are easy to answer by common men, etc.

results: then results such as summary of data with comments should be studied thoroughly

discussion:   the last is the discussion, this can be either by management people or persons who are all interested , etc.