Why am I not rich? Best answer gets brainliest

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

Which expression is equivalent to -5(3x - 6/7)

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