Washington High School randomly selected freshmen, sophomore, junior, and senior sutdents for a survey about potential changes to next year's sechedule. Of students selected for the survey, were
freshmen and were sophomores. Half of the remaining selected students were juniors. If 336
students were selected for the survey, how many were seniors?

Which of the following must happen in order for productivity to increase? a. production levels remain unchanged while inputs increase. b. production levels rise while inputs decrease. c. production levels fall while inputs increase.

+++30 points me in a society that favors economic equity over economic freedom, who would benefit? explain

The smokey mountains have over 2,100 miles of rushing mountain streams and rivers that flow through the park. in each mile lives a diverse community of native fish, amphibians, insects, and larvae, some of which are found only in the southern appalachians. park managers and scientific researchers test many factors such as fish populations, the watersheds and water tests to determine a) too many lizards are present b) the water quality of the stream c) rainwater is running into local streams d) if visitors to the park are overstaying their welcome