The area of a rectangle is calculated by multiplying the length of one of the shorter sides by the length of one of the longer sides. The answer is expressed as the square of the unit of measure. For instance, the area of a rectangle with sides of 2 in and 3 in is: 2in. x 3in. = 6in.^2 ("six square inches"). What is the area of a rectangular room that's 18ft by 21ft?

The westins and the shermans live in the same city and pay the same sales tax rate, and both families made $14,000 in taxable purchases last year. if the westins made $86,000 and the shermans made $33,000 last year, is the sales tax in their city an example of a regressive tax? yes, because the westins and the shermans both paid the same sales tax rate. b. no, because the shermans paid a higher percentage of their income in sales tax than the westins did. c. no, because the westins and the shermans both paid the same sales tax rate. d. yes, because the shermans paid a higher percentage of their income in sales tax than the westins did.