The cost for a certain company to produce q items is given by the linear model C =21q+1906 . Their revenue from selling q items is given by the linear model R=38q . Find the company's "breakeven" point by finding the smallest number of items for which the company's cost of producing the items is less than or equal to their revenue from selling them.

Guys i really need or i have to stay late up night

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?