Respuesta :

Answer: Choice A.  3/4

Work Shown:

x = number of weeks

y = number of tests

slope = rise/run

slope = (change in y)/(change in x)

slope = 27/36

slope = (9*3)/(9*4)

slope = 3/4

A slope of 3/4 means that there are 3 tests for every 4 weeks.
The answer is A. 3/4