Which of the following expressions are equivalent to (-19 + 3) - 6?
Choose 3 answers:
A 19+ 3 – 6
B -19+ (3 – 6)
C -19 - 3 - 6
D (-19 – 3+6)
E (-19+ 3) – 6

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