12 to 15 if 12 is 48 how much is 15​

"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.

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

How do you determine whether a relationship represented as as graph is linear or nonlinear