Click the diagram above.
What is the answer for the question above?

"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.

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)