9.1 Bell Ringer Quiz
Please help me with this i need a good grade on this quiz

What’s the domain of this function? fastttt

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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