Can someone help with numbers 1 and 2 for both of them tell me the answer and how you get it please I need the two of them do not send me link just write please do not send me link please

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.

If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be