During summer vacation, you charge people $8 per hour for swimming lessons and a $20 registration fee. If you make $52 one day, How many hours did you spend teaching lessons? Show your work

"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.

Two lines parallel to a third line are parallel to each other. always sometimes or never

What expression is equivalent to 1/2(2+3x-6)