The annual interest rate of marcella's savings account is 7.2%, and simple interest is calculated semiannually. what is the periodic interest rate of marcella's account?

Amethod of allocating merchandise cost that assumes the first merchandise bought was the first merchandise sold is called the a. last-in, first-out method. b. first-in, first-out method. c. specific identification method. d. average cost method.

Problem page a medical equipment industry manufactures x-ray machines. the unit cost c (the cost in dollars to make each x-ray machine) depends on the number of machines made. if x machines are made, then the unit cost is given by the function =cx+−0.3x2126x31,935 . how many machines must be made to minimize the unit cost?

After testing its water, a city water department issues a report to the related citizens, noting what chemicals have been identified, their doses, and the estimated risks of exposure at these levels. this report represents a type of