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3. When a song is sold by an online music store, the store takes some of the money, and the singer gets the
rest. The graph below shows how much money a pop singer makes given the total amount of money
brought in by one popular online music store from sales of the song.
Work Space
$250.00
($1000, $200)
$200.00
Paid to Pop Star
$150.00
($600, $120)
$100.00
An
($200, $40)
$50.00
$0.00
$0.00
$200.00
$400.00 $600.00 $800.00 $1,000.00 $1,200.00
Sales by an Online Music Store
b. Write an equation relating dollars earned by the pop singer, y, to dollars brought in by sales of the
song, x.

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.

13

step-by-step explanation:

divide the cost of the total of sodas you bought by the cost of one soda, for example:

$24.57 divided by $1.89 is 13 which means you bought 13 sodas

i believe that the slope of the line is -5

step-by-step explanation: