Can some please help me work this problem. TIA

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

Acone is placed inside a cylinder. the cone has half the radius of the cylinder, but the height of each figure is the same. the cone is tilted at an angle so its peak touches the edge of the cylinder’s base. what is the volume of the space remaining in the cylinder after the cone is placed inside it?

Sections of prefabricated woods are each 5 1/3 feet long, how long are 7 1/2 sections placed end to end?