PLESE QUICKLY SOLVE URGENT

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract