Kwik ‘n hot dogs is considering the installation of a new computerized pressure cooker that will cut annual operating costs by $23,000. the system will cost $39,900 to purchase and install. this system is expected to have a 4-year life and will be depreciated to zero using straight-line depreciation. what is the amount of the earnings before interest and taxes for this project

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Which of the following best describes the figure?