In only one of the two circles is the line a perpendicular bisector of DU. Which circle contains the perpendicular bisector and most importantly explain why.

Use the zero product property to find the solutions to the equation (x+2)(x+3)=12

Multiply and simplify 2x^2 y^3 z^2 · 4xy^4 x^2

The roof of a farm silo is the shape of a hemisphere and is made of sheet tin. if the diameter of the silo is 126.5 feet, how much sheet tin is needed to make the roof? (use π = 3.1416.)