Find the what x equals 1) x/6=3/9 2) 9/12=x/8 3) 3/9=x/12 4) x/12=6/8

What are the vertical asymptotes of the function f(x) =5x+5/x2 + x-2

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?