CAN AN EXPERT< ACE< MODERATOR OR GENIUS HELPP ME WITT THIS PLS

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

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

For what value of (y) is 3^3/3^y =1/9