Subtract the thickness of the covers from the total thickness of the 500-pages book. Since each cover is 0.125 inches thick, double this value and subtract from 2.25 inches. This results to 2 inches. To determine the thickness of each of the pages, divide 2 inches by 500 pages. Therefore, the thickness of a single page is 4x10^-3 inch.
2) The slopes and y intercepts should be the same. In other words, the system of equations should overlap infinitely (meaning the lines overlap as “one line”).
3) y=3x+1 and y=3x-1 can be used for a system with no solutions. No value of x can make the equations equal.
Feel free to ask any follow-up questions!
Answer:
the value of y+2 is 21+2=24y
