1,6,6,9,2,1,6,2 Drawing a number divisible by 3, then drawing a 1

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

Evaluate cos2θ for cosθ = square root of 3/2

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?