Hassan thinks his goldfish got chickenpox. he lost 70% of his collection of goldfish. if he has 60 survivors , how many did he have originally? ?

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

What is the measure of one interior angle of a pentagon

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?