Anastassia

1. What is the determinant of the matrix? [5 6] [2 9] a. -33 b. 6 c. -6 d. 33 <---- my answer 2. What is the determinant of the matrix? [-4 -5] [ 2 -6] a. -14 b. -34 c. 14 d. 34 <---- my answer 3. Which expression gives the x-coordinate of the solution of...