Which expressions are equivalent to -2(5x-3/4)? -2(5x)+(-2)(-3/4)

-10x-3/4

-10x+6/2

-10x+3/2

-10x-6/2

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