I need help with understanding all of these Tina needs to reduce the width and length of the photo by the same amount. Thearea of the photo should be reduced to half the original area. If the original photois 12 inches by 16 inches, what will be the dimensions of the smaller photo?Practice and Problem SolvingExtra Practice is on page R8.Exam 1 Factor eacn polynomial. Confirm your answersngagraphing calculator.12. x2 + 17x + 4213. y? — 17у + 7214. a2 + 8a -4815. п2 — 2п — 3516. 44 + 15h + h²17. 40 – 22x + x²18. —24 — 10Ох + x219. —42 — т+ m?Example 4Solve each equation. Check your solutions.20. x2 – 7x + 12 = 0(21 y +y = 2022. x2 – 6x = 2723. a2 + 11a = -1824. c2 + 10c + 9 = 025. x² – 18x-3226. п2120= 7n27. d2 + 56= -18d28. y2 — 90 %3D 13у29. h2 + 48 = 16hEmple 530. GEOMETRY A triangle has an area of 36 square feet. If the heignt of the triangleis 6 feet more than its base, what are its height and baseBookmark (

Answered: Image /qna-images/answer/3f086b79-12df-4692-9f3f-ff2555af57cf.jpg

Factor each polynomial. Confirm your answe graphing calculator. Exa 12. x2 + 17x + 42 13. y? – 17y + 72 14. a2 + 8a – 48 15. n2 – 2n – 35 16. 44 + 15h + h2 17. 40 – 22x + x² 18. -24 — 10х + x2 19. -42 – m + m2 Example 4 Solve each equation. Check your solutions. 20. x2 – 7x + 12 = 0 21 y? + y = 20 22. x2 – 6x = 27 23. a2 + 11a = -18 24. c2 + 10c +9 = 0 25. x2 – 18x = -32 %3D 26. n2 – 120 = 7n 27. d2 + 56 =-18d - 28. y2 – 90 = 13y 29. h2 + 48 = 16h 30. GEOMETRY A triangle has an area of 36 square feet. If the heignt of the triangle is 6 feet more than its base, what are its height and base Emple 5