Do parallel lines have the same slope

Find the area of the regular hexagon if a side is 20 cm.

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 three dimensional figures has a circle as it’s base