If f(x)= square root 1/2x-10 +3, which inequality can be used to find the domain of f(x)?

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

There are 3232 forwards and 8080 guards in leo's basketball league. leo must include all players on a team and wants each team to have the same number of forwards and the same number of guards. if leo creates the greatest number of teams possible, how many guards will be on each team?