D D
11)
In which of these mixtures can the two separate parts be identified just by looking at it?
A)
oil mixed with water
B)
salt dissolved in water
9
sugar dissolved in water
D
vinegar mixed with water
12)

For each of the following examples of data, determine which scale of measurement is used. a) the number of miles joggers run per week. b) the starting salaries of graduates of mba programs c) the months in which a firm's employees choose to take their vacations. d) the final letter grades received by students in a math course.