Write a polynomial expression for the perimeter of a rectangle whose sides have the following lengths. length: x2+3x-5 width: 3x2-2x+6 a. 8x2+8x+2 b.8x2+2x+2 c.4x2+x+1 d. 4x2-5x+1

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1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction 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