The use of alcohol for recreational purposes dates back at least years.

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.

Federalism began to spread super soon after

Music the height of a wave or the amount of the wave carries is the amplitude. a.air b.nodes c.speed d.energy