I'll give 20 pts. in the coming track and field competition, 7 players will run the 100 m dash. how many ways can gold, silver and bronze medals be awarded?

Find the solution of system of equation y= x-4 y=4x+2

Describe the domain and range of y=2(3)^x-2+5

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)