DO THIS IF YOU WANT EASY POINTS: Dashawn bought a CD that cost $18.99 and paid $20.51, including tax. What was the percent of tax he paid?

Which expression is equivalent to the expression shown?

Does anyone know how to do geometryme with this problem

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.