Sara drove for 8.5 hours at 49.7mph. Find the distance she traveled.

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

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.