Sarah is self-publishing her 300-page novel and wants to estimate the printing costs. She looks up printing costs for other paperback books and plots the number of pages (x) against the cost (y) in dollars. Answer the questions to estimate the cost of printing a 300-page paperback book.

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

43lbs of tomatos cost $387. how much would 41lbs cost

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry