Help plz

Find the roots of the equation below. x^2 - 6 + 9 = 0

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

Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?