Simplify square root of 30

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.

Math each whole number with a rational,exponential expression

Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value