Jessica purchased a book that was on sale for 12%. The sales tax is 3% key y represent original price of the book write an expression that can be used to determine the final cost of the book. How do I do this, I don’t need a answer just how to do I it lol

if it's 12% then: she's actually paid 88% with a tax of 3%.

Step-by-step explanation:

I did it

29 is the correct answer

step-by-step explanation:

(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) =         +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3