Follow all directions, show all work, pls explain everything and box up final answers.

5. Solve the linear system as a matrix equation. [Solve by finding inverse) 3x +4y= 10 + 20 6. 7. Solve for x and y. Find the inverse. 5 6 641 8. 9. Find the following given: x = sint & y = cos2t a) Sketch the curve and show the direction as t increases. b) Find the rectangular equation. Find the partial fraction decomposition. IOX + 2 (x I)(x2 + x + 1)