What is a solution to the equation X2=25

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

In a column proof the right column states your reasons

Find the interior angle of a regular polygon which has 6 sides