WILL GIVE BRAINLIEST! Find the solution sets to the following quadratic equations.
8. 5x^2 – 40 = 100

9. 9x^2 = 4x^2 + 10

10. x^2 – 4 = 80

11. x^2 + 25 = 100

12. 2x^2 + 7 = 67

13. (x^2 + 2^2)= 16

14. (x + 5^)2 = 23

15. (x – 4)^2 = 11

Julius went on a volunteer trip to centralamerica and took medical supplies with him. he packed a bag with 50 pounds of supplies. he brought pieces of equipment that weighed10 pounds each and bottles of medicine thatweighed pound each prepresents thenumber of pieces of equipment he broughtand b represents the number of bottles ofmedicine he brought then the total weight canbe represented by the equation 10p+b 50.the brought 3 pieces of equipment, how manybottles of medicine did he bring?