Which expression is equivalent to 3/x+2 + 5/x-4 A. -2x+22/(x+2)(x-4)
B. 2x-2/(x+2)(x-4)
C. 8/(x+2)(x-4)
D. 8x-2/(x+2)(x-4)

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