Mechanico Inc. wants to buy a machine that costs $45,000. It expects that the machine will yleld $30,000, $20,000, and $15,000 for 3 years with a discount rate of 10 percent. What would be the Net Present Value of the machine?

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

Someone answer asap for ! the boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a. e = 2b - 212 b. b = 2e - 212 c. e = -2b + 212 d. b = -2e + 212

With alll of except for the 2 that i did already