Please, answer all the following questions:

1. Find F . dr , where F = (-y)i + xj . a. Cis a line from ( 4, 4) to (10, 10). b. C is a unit circle oriented clockwise about the origin 2. Evaluate di where C, is a circle of radius 5 centered at (0, 0), oriented clockwise, Co 3. . Let F = y'xi + x2 j. Find the line integral F.dr where Cis the curve parameterized by F (1 ) = ti + +2 j with Ost5 2