Ryan is a software salesman. his base salary is $2500 , and he makes an additional $90 for every copy of history is fun he sells. let p represent his total pay (in dollars), and let n represent the number of copies of history is fun he sells. write an equation relating p to n . then use this equation to find his total pay if he sells 21 copies of history is fun. equation: total pay if 21 copies are sold?

Answer this question only if you know the 30 points and

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form