Assume a trucker changes his tire every 40,000 miles, and that he starts with a brand new set of tires, how many sets of tires will he use in a year.

And employees salary increase by $4500 which represents a 15% raise what is the employees new salary

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Need on this geometry question. explain how you did it.