URGENT: What is (x²-7x+11)x²-11+30??

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

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)

W-16=-12 solve each one step equation plz