Adiver went 25.65 feet below the surface of the ocean and then 16.5 feet further down he then rose 12.45 feet write and solve an expression to find the

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square