Write the coordinates of the vertices after a dilation with a scale factor of 1/2 centered at the origin t(-10, -6) u(-4, -6) v(10, 8) w(4, 8)

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