Triangle JKL are drawn on a coordinate plane. The coordinates are J: (2,4) K: (1,1) and L: (4,0). When K is 1/4 (one-fourth), what is J'?
A. (0.5,1)
B. (0.5,2)
C. (0.25,0.25)

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Can someone answer this question for me