Find the value of x.
40°
(6x + 2)

5(-9w) put expression in distributive property

Is a positive integer raised to a negative power always positive

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