If the bank requires a 17.5% down payment on a car that costs $30.270. how much money
is the down payment?

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.

Find two numbers if their sum is 91 and the ratio is 6: 7?

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?