The price of the tennis racket was 200 dollars. However, the actual price of the tennis racket was 400 dollars. What is the percent error?

Twenty points. 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

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

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