If the regular price of an item is x dollars, what is the discount price in dollars?

First, we have to know the discount percentage.

Let's say that is 20% off, this would be in decimal number 0.20.

Now, if the regular price is , then the dollars discounted are

And the final price is

Which means that the final price is 80% of the regular prices.

Now, for a general case, let's call the percentage discount, in this case, the final price would be

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²

d is the answer

step-by-step explanation: