Plz solve quickly PLZ

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

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. ?

How do you write y-10=2 (x-8) in standard form