Maria's scores for her first three tests in Algebra I were 74.80, and 91. She wants to have a test average of 80. Assuming all tests are
weighted the same, and she only takes one more test which of the following represents a reasonable score for her fourth test?
A
75
B. 67
C. BI
D. 85

yes because a quadrilateral is equal to 4 sides and a rhombus has 4 sides so technacly it is a quadrilateral.

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.

∈3,600

step-by-step explanation:

step-by-step explanation: