NEED HELP WITH GEOMETRY

Plzzz asapppppp what is the inverse of f if f(x)=^3 sqrt x-5

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²