I know it’s easy I just want to check my answer!!!

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

"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.

What expression is equivalent to 42x-56y