The length of time Y necessary to complete a key operation in the construction of houses has an exponential distribution with mean 16 hours. The formula How many standard deviations above the mean is 4,000 hours

Chandler was a caretaker at the state zoo. he noticed that the number of animals adopted by the zoo increased at a constant rate every year since 2010. which of the following graphs shows the slowest rate at which the animals in the zoo were adopted?

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

Can someone me with the property questions for 12 13 and 14 plz