Find the distance between the points (1, 4) and (-5, -4) on the coordinate plane.

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

Five infinity stones cost $16.80. what is the price per infinity stone ?

If line segment ab measures approximately 8.6 units and is considered the base of parallelogram abcd, what is the apprlroximate corresponding height of the parallelogram?