An advertisement states that a roto sprinkler system can water a circular region with an area of 400ft^2. find the diameter of this region to the nearest thousandth of a foot.​

What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

What value of x is in the solution set of 4x – 12 s 16 + 8x?