Select each expression that has a value of 15 when x = 15.

How do you use the elimination method for this question? explain, because i really want to understand!

Find the area of the regular hexagon if a side is 20 cm.

The population of a small rural town in the year 2006 was 2,459. the population can be modeled by the function below, where f(x residents and t is the number of years elapsed since 2006. f(t) = 2,459(0.92)