I need help please thank you for the help

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.

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.