Which of these should Donna use as the third step in the outline of the proof to conclude that the triangle drawn is a right triangle?

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

Find the distance between (7,-6) and (-3,-9)

The tile along the edge of a triangular community pool needs to be replaced? ?