Wxyz is translated 6 units to the left and then reflected in the x-axis write an ordered pair

Which statements about these triangles is true

Which of the following is true for the relation f(x)=2x^2+1

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.