What is the circumference. of the circle use 22/7 for pi : (

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 2: 1? submit

Ahmed plans to add a rectangular sunroom to his house. the sunroom will have a length of 14 feet and a width of 10 feet, and the construction will cost $40 per square foot. how much more would the sunroom cost if it’s width were increased to 12 feet?

20 points - ! gia decides to buy square tiles to cover her kitchen floor. the tiles are 18” square tiles and cost $3.85 each. how much will it cost to tile her kitchen if the measurements are 11’ x 12’?