How do you find a slope intercept with only the equation ?

The sum of two numbers is 86, and their difference is 20. find the two numbers

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

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