Pls help many points

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Franco wants to double the volume of the cone. what should he do?

Closing a credit card usually _your debt ratio. a. increasesb. decreasesc. improvesd. has no effect on