X to the second power plus 4equals 40 solve for x

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

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction