Prove that the diagonals of a parallelogram bisect each other.
The midpoint of AC is

What is the length of bc ? enter your answer in the box.bc =

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

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