An electrician earns $110 after his first hour of working for a client. his total pay based on the number of hours worked can be represented using the sequence shown. 110, 130, 150, 170, recursive formula can be used to determine the total amount of money earned for each successive hour worked based on the amount of money currently earned? a f(n + 1) = f(n) + 20 b f(n + 1) = f(n) + 110 c f(n + 1) = f(n + 1) + 20 d f(n + 1) =  f(n  + 1) + 110

The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.

Which of the following circles have their centers in the third quadrant?