Penguins spend almost 75% of their lives in the sea. an emperor penguin in the wild has a life span of about 18 years. about how many years does this penguin spend in the sea?

Which expression is equivalent to 2^4y^3

It takes a total of 6 hours to fill up an inground backyard pool using a standard house. a function can represent this situation to represent the amount of water in the pool until it is full a function of time the hose is running. determine the domain for the function

The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches