A new type of pump can drain a certain pool in 3 hours. An older pump can drain the pool in 9 hours. How long will it take both pumps working together to drain the pool?

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i