Astore purchased a dvd for 12.00 and sold it to the customers for 50% more than the purchase price. the customer was charged a 7% tax when the dvd was sold. what was the customer's total cost for the dvd?
a.12.84
b.18.42
c.18.84
d.19.26

For each expression use a property to write an equivalent expression.

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?

An object in geometry with no width, length or height is a(n):