Grade 10 Quadratic word problems: Bridges and tunnels

Three word problems for you
1. Brooklyn Bridge - suspension bridge Vertical distance to lowest point, span of the bridge and height at a certain distance
2. Tunnel - find the width of the tunnel, height 2 metres from the end
3. Finding the equation in factored form and vertex form for a bridge and determining if a sailboat with a certain height can pass under the bridge when it is 8 m from the centre.
**** NOTE: For the sailboat question the boat will NOT fit under the bridge as it is obviously higher 8 m from the centre than the bridge is. (26 m vs 28 m) ****