Rob pays $258 every 3 months for his karate lessons. at this rate, how much will rob pay for 3 years of karate lessons? a) $1548 b) $2322 c) $3096 d) $3870

If it is $258 for 3 months, there are 12 months in a year, multiply 258 by 4(to get to the total of 12 months) = $1032 per year, the question asks for 3 years, so you multiply 1032 by three to get $3096

The answer is C) $3096

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.

which expression represents the approximate length of bc?

step-by-step explanation: