Please help. I don’t remember how to do this.

1.5 hours

Step-by-step explanation:

65% 1 hour

1% 1/65 hours

100% 1/65 ×100 = 1.5 hours (nearest half-hour)

(2,9)

i think thats the answer i checked it on google

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value