In Exercises 15-17, solve the equation. 15. 312 - t = 0
16. 5y + 10y = 0
17. 21n + 12n² = 0

Find the value of x for which the lines are parallel.

Which equation can be solved to find one of the missing side lengths in the triangle? cos(60o) = cos(60o) = cos(60o) = cos(60o) = mark this and return

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