Math homework help?! (2)?

This one, I have to simplify and state the excluded values. *Note* this ^ means to the power of. ex: 9^2 =9 squared p^2-p-90 over p^2-19p+90 This one, I have to identify the holes, vertical asymptotes, horizontal asymptotes of each f(x)= x^2-x over 2x^2-10x+8