True or False: A sequence is called geometric if there is a real number r such that each term in the sequence is a product of the previous term and r.

Asalsa recipe uses green pepper, onion, and tomato in the extended ratio 3: 5: 7. how many cups of tomato are needed to make 105 cups of salsa? a. 7 b. 21 c. 35 d. 49