What is the measured value always positive from one point to another

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

The mini-refrigerator fire was most likely caused by what type of wiring?