An olympic-size swimming pool holds 2,500 kiloliters of water. after swimmers splash water out of the pool, there are 24,500 hectoliters of water left in the pool. how many hectoliters of water did the swimmers splash out of the pool?

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

What is the value for this expression? 2e-5