Jill’s teacher asked her to construct a rectangular prism from unit cubes. She has built the structure above. In order for Jill to complete her assignment, how many unit cubes will Jill need to add to the below structure? Explain how you were able to figure out how many more cubes will be needed. Is there a different way to solve this situation?

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