Here is a diagram showing a mixture of red paint and green paint needed for 1 batch of a particular shade of brown.
red paint (cups)
green paint (cups)
Add to the diagram so that it shows 3 batches of the same shade of brown paint.

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.

ii6tyhj7 juj3yyj333ju jmyhthhtk7h jg hajj jiijh

im pretty sure it would be 5 am, hope that , and give brainliest and guys if this is right then press the button and give 5 stars

the answer will be b x² +x-1

step-by-step explanation: