Shay has 100 tubes of lip gloss. she keeps 10 for herself. for holidays,, she allows friends to pick 6 tubes of lip gloss to have. show how many friends she can give lipgloss to .

15 friends

Step-by-step explanation:

100-10 = 90 tubes available to share with friends.

90 ÷ 6  = 15

15 friends can pick 6 lip glosses each, leaving none left.

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.

sorry can't

step-by-step explanation:

i googled though and something came up but it was in science langueage not common english sooo