At 4: 13 pm., you have 115 megabytes of mp3 songs. by 423 p. m, you have 625 megabytes. what is the download rate in megabytes per minute

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

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