What is the slope of the line that passes through the points (3,-5) and (1,-5)? In simplest form.

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters

M∠abc=138° and m∠def=31° . which statement is true about ∠abc and ∠def ? a: the angles are neither complementary nor supplementary. b: the angles are complementary. c: the angles are supplementary.

What is the missing justification in the proof of the pythagorean identity below, sin^2x+cos^2x=1, using a right triangle?