Which of the followimg is necessary when proving that the opposite angles of a parallelogram are congruent

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

Factor the polynomial by its greatest common monomial factor.

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3