Kiara buys a meal from a food truck costs $12. There is an additional 8.5% tax added to her total. if she pays for the meal with a $20 bill, then which of the following represents the change she is due? here’s another one that i need answered fast.
on average, supermarkets mark up their groceries by 13%. if a grocer buys a bottle of olive oil for $7, how much should she sell it for based on this percentage?
please help. hurry!!!

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

What are the solutions of the equation x4 – 5x2 – 14 = 0? use factoring to solve. someone !

Georgia needs to buy flea treatment for her dog. pet store 1 is offering the flea treatment for 40 percent off plus an additional 25 percent off their regular price of $33. pet store 2 is offering the same flea treatment for 55 percent off plus an additional 5 percent off their regular price of $34. which location is offering the better price and how much cheaper is it? the flea treatment is $0.31 cheaper at pet store 2. the flea treatment is $1.05 cheaper at pet store 2. the flea treatment is $2.05 cheaper at pet store 1. the flea treatment is $2.36 cheaper at pet store 1.