4-9. Solve for :21. Check your solutions, if possible. Homework Help_\\ at 2(43m)6w:10 b. : 4-10. On the same set of axes, use slope and yintercept to graph each line in the system shown below Then find the point(s) of intersection, if one (or more) existsi 4-10 y = ~25 7 2 H W eTaul Homework Help; y : 3t 6 4-11. Ateam of students is trying to answer the scientic notation problem 2 x 103 - 4 X 107. Homework Helpi' Jorge thinks they should use a generic rectangle because there are two terms multiplied by two terms Cadel thinks the answer is s x 1010 but he cannot explain why. Lauren thinks they should multiply the like parts. Her answer is 8 X 100\". Who is correct? Explain why each student is correct or incorrect. 4-12. For each of the following generic rectangles, nd the dimensions (length and width) and write the area as the product of the c imensions and as a sum Homework Help_\\ a. 1). 3y2 7 1 2y 3y2 7 121; 5g 20