The formula below gives d, the demand for concert tickets when the price of each ticket is p dollars.
d(p)=2000-4p-p^2
what's the value if d(15)

"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.

1. what is the phythaforean theorem? 2.what do we use it for? 1.what is the distance formula ? 2.what do we use it for?

What expression is equivalent to log3(x+4)