I need help with this ' ASAP!

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Which graph represents the parent function of y=(x+2)(x-2)