I’m so confused please help and quick thanks .

What is the vertical asymptotes of the function f(x)=x-2/x*2-3x-4

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

In a school 2/3 of the students study a language of those who study a language 2/5 study french