please help with question 13-16-18

-8 -6 -4 -2 2 6 13. Find A ' for A = how and use A to solve the system at the right. (-1.-5)1 -6- In Exercises 14 and 15, find the determinant of the matrix. Figure for 16 - 25 18 14. NNW 6 15. 400 600 16. Use determinants to find the area of the parallelogram shown at the right. 17. Use Cramer's Rule to solve (if possible) 2x - 2y = 3 * + 4y = -1' 300- 100 18. The flow of traffic (in vehicles per hour) through a network of streets is shown at the right. Solve the system for the traffic flow represented by r, / = 1. 2. 3, 4, and 5. Figure for 18