Olivia's bill for lunch came to $8 before tax and tip the restaurant included a 7% sales tax and she left a 15% tip which she calculated on her bill before the sales tax was added what was the total cost of olivia's luncha. $8.56b. $8.68 c. $9.20 d. $9.76

Hello people, i have a math question that i need with, me, i will give the correct one brainiest, and for the other correct people, a and 5 stars.

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. ?

Does the point (1, sqrt 7) lie on circle shown.