Convince yourself that there are 3 similar triangles in the diagram. Choose the similarity statement that represents the relationship among the 3 triangles.
Please only answer if your sure

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?