Which best describes the graph? Carla sped up in the beginning of her trip, stopped, and then slowed down.

Carla had a greater acceleration in the beginning than in the end.

Carla slowed down in the beginning of her trip, stopped, and then sped up.

Carla had a continuous acceleration throughout the entire trip.

its C. Carla slowed down in the beginning of her trip, stopped, and then sped up.

I got 100 in unit test.

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.

step-by-step explanation:

the shape,the size and the distance

a

step-by-step explanation:

what's the question?

step-by-step explanation:

there is no question.