There’s 2 answers can u help me:) I give brainlest to whoever get it right first

part a: 3 6/8

Step-by-step explanation:

part a: you have to find the difference between them. if you find something like this again what I would do is do how many whole numbers there are between the two number in this case 3. then figure out what the fraction is. the fraction isn't how many spaces there are in-between but how many there are counting the final number. so from 12 to 13 there are 7 spaces plus the number 13. then you figure it out from there.

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.

answer: it's a

step-by-step explanation: