Busby County is rectangular. A map of the county on a coordinate plane shows the vertices of the county at A (-4,6), B (6,6), C (6,-9), and D -4,-9). Each unit on the map represents 1 mile.
What is the county's perimeter?
The

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0