Gerardo is skiing on a circular ski trail that has a radius of 0.9 km. Gerardo starts at the 3-o'clock position and travels 2.6 km in the counter-clockwise direction. How many radians does Gerardo sweep out?
 radians   

When Gerardo stops skiing, how many km is Gerardo to the right of the center of the ski trail?
 km   

When Gerardo stops skiing, how many km is Gerardo above of the center of the ski trail?
 km

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Out of five men and five women, we form a committee consisting of four different people. assuming that each committee of size four is equally likely, find the probabilities of the following events: 1. the committee consists of two men and two women 2. the committee has more women than men. 3. the committee has at least one man. for the remainder of the problem assume that alice and bob are among the ten people being considered. 4. both alice and bob are members of the committee.