What is the base of the expression ? 3 11 12 21

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

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)

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?