Question is in the png

"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.

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers