Can someone please help me?

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

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

Find the difference (8ab+a+2) - (3ab+6)