Evaluate 9.1v+8.7w when v=3 and w=4. 9.1​(___)+8.7​(___) = ​___+34.8 = ​___ 9.1​(nothing​)+8.7​(nothing​) = nothing+34.8 = nothing ​(Type integers or​ decimals.)

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.

welll its a very hard question but ill

step-by-step explanation:

first you take the 6 dollars and add 10 to it then add the 50 to that then multiply by 8 with xy and your answer will be

hope this

u bout ugly as   a mf

step-by-step explanation: lol

$79500

step-by-step explanation: