"five times the difference of x and 4" represent?

What is the greatest common factor of 8 and 36

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

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0