If y varies directly as x a d y=5 when x=8, find when x=9

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

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers