Is 0.678 a rational number?
A. Yes
B. No
pls help really quick

What does it mean by solve the exponential equation for x?

One positive number is 9 more than twice another. if their product is 95, find the numbers

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