Directions : Solve the following problems completely.
1.From a class with 40 students, 8 students will be chosen to join the science field trip. In
how many ways can the students be chosen?
2.In a gathering, the host makes sure that each guest shakes hands with everyone else. there are 30 guests, how many handshakes will be done?
3.A soloist is auditioning for a musical play. If she is required to sing any three of the 8
prepared songs , in how many ways can she make her choice?
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