The area of the shaded sector is 64.11 in?. Find the radius of the circle. Show work. Circle/Highlight answer

Of four points are collinear, they are also coplanar

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

With alll of except for the 2 that i did already