Luke is purchasing 4 vr headsets at $249 each for raffle prizes. what is the total purchase price, including sales tax, if he purchased them in new york city where the state sales tax is 4% and the city and county taxes total an additional 4.5%?

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion

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?