Jean is building a plastic model of a car. the instructions state that 9/10 of an ounce of glue is required to complete the model. jean has purchased tubes of glue from the hobby shop, each of which contains 1/5 of an ounce of glue. use these fractions to write an expression for finding how many tubes of glue jean will use to build her model. then, find the solution to the expression.

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.

$18 was the price of the t-shirt

step-by-step explanation:

idk

step-by-step explanation:

i dont have an answer

step-by-step explanation: