Gregg subtracted some number x from 47, then multiplied the result by two, subtracted 15 and got 45. what was gregg's number? ( answer with 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.

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

Witch represents the inverse of the function f(x)=1/4x-12