⚠️ URGENT PLS ANSWER QUICK ⚠️ *7TH GRADE* LaShawn wants to buy some music online. There are two plans to choose from. The first plan is a flat rate of $1.29 per download. The second plan has a membership fee of $21 and a fee of $.99 per download. Let x be the number of downloads and C be the cost. Plan 1: C = 1.29x Plan 2: C = 21 + 0.99x

1- what are the cost of the 2 plans equal to each other?
•40
•50
•none of the above

2-what is the y-intercept of the line for plan 1?

3- what is the y-intercept of the line for plan 2?

4- what is the constant rate change for plan 1 and 2?

5- for plan 1, how many downloads are possible if the total cost is at the most $15?

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.

sina-sinb

cosb+cosa

tana-tanb

cos0+cos x pi/3

20tan

step-by-step explanation:

step-by-step explanation:

for volume, add base x height x width

c

step-by-step explanation: