Opal walked from school to home, which was a distance of 12 miles. She walked
at a rate of 4 miles per hour. The graph
represents the remaining distance Opal
had to walk
10
Distance to homem
2
4
Time hi
a. Find the slope of the line
b. Find the x-intercept and explain what
it represents in the context
C. Find and interpret the y-intercept.
d. Write an equation for the line in
slope-intercept form

were is the  picture

Step-by-step explanation:

the answer is a

step-by-step explanation:

because if you put 1 in to the square root of x it equals 300.

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.