The main span of the sunshine skyway bridge is 360 meters long. the skyway's main span is 30 meters shorter than the main span of the dames point bridge.

i need

Dames point would be 390 meters long

Step-by-step explanation:

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

step-by-step explanation: