The first 4 terms of a 10-term geometric series are listed below. Which expression represents the sum of the series?

25 +9+4+10+ ... + 210

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Someone answer asap for ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

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)