Shelley is putting a child safety fence around the edge of her swimming pool. If the company charges $15 per foot, how much will she pay?

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?