Find the slope of a line Perpendicular to the line containing the points (12,-8) and (5,-4)

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need

Can you me find the missing length. i attached an image.

Which of the following is true about the following construction of a tangent to a circle from a point outside of the circle?