Explain the answer with briefs steps​

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11