Forgot password? New user? Sign up
Existing user? Log in
This figure is made from a triangle, a semicircle, and a quarter-circle. Can you find the shaded area?
Although we can't predict the outcome of a random game, we can find the most likely result. How much do you expect to win?
With few guests, the hotel can avoid putting guests in adjacent rooms. How many guests until they must have three occupied rooms in a row?
Solving a Grid Fill puzzle involves logic and arithmetic. How can you make both rows sum to 6?
We can infer a lot about the relationship between two angles in this circle with just a few angle facts. Which angle is larger?
When counting elements of a set, we need to make sure we don't count some of them twice. In how many ways can Sekou avoid trouble?
To fill in a graph so that adjacent regions are different colors, we need at most 4 colors. Is this true for a graph that’s been partially filled in?
Problem Loading...
Note Loading...
Set Loading...
