Using the ratio of perfect squares method, what is square root of 22 rounded to the nearest hundredth?

do not use your calculator to answer this question. use the ratio of perfect squares method.

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

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.

Can you me find the missing length. i attached an image.