Tell whether the lines through the given points are parallel, perpendicular, neither. Justify your answer. Line 1: \( (2.5,-2),(9.5,12) \quad \) Line \( 2:(-4,-2),(8,-4) \)

1.2 Co-interior angles are A. Obtuse B. Supplementary C. Complementary D. \( 180^{\circ} \)

1.1 Perpendicular lines are two lines that form a ___ angle when they intersect. A. Parallet B. 90 degree C. Complementary D. Acute

1. Move the slider to choose a scale factor greater than 1. Where is point P'?

If a line has a slope of zero, what can be inferred about its equation and graphical representation?

6.1 A man places a 5 m ladder to reach a point of x m high on the wall. The distance from of the wall to the foot of the latter is 3 m . Calculate the height of the wall.