Problem 1E: Finding the Adjoint and Inverse of a Matrix In Exercises 1-8, find the adjoint of the matrixA. Then... Problem 2E Problem 3E: Finding the Adjoint and Inverse of a Matrix In Exercises 1-8, find the adjoint of the matrixA. Then... Problem 4E: Finding the Adjoint and Inverse of a Matrix In Exercises 1-8, find the adjoint of the matrixA. Then... Problem 5E: Finding the Adjoint and Inverse of a Matrix In Exercises 1-8, find the adjoint of the matrixA. Then... Problem 6E Problem 7E Problem 8E: Finding the Adjoint and Inverse of a Matrix In Exercises 1-8, find the adjoint of the matrixA. Then... Problem 9E: Using Cramers Rule In Exercises 9-22, use Cramers Rule to solve if possible the system of linear... Problem 10E Problem 11E: Using Cramers Rule In Exercises 9-22, use Cramers Rule to solve if possible the system of linear... Problem 12E Problem 13E Problem 14E Problem 15E Problem 16E Problem 17E: Using Cramers Rule In Exercises 9-22, use Cramers Rule to solve if possible the system of linear... Problem 18E: Using Cramers Rule In Exercises 9-22, use Cramers Rule to solve if possible the system of linear... Problem 19E: Using Cramers Rule In Exercises 9-22, use Cramers Rule to solve if possible the system of linear... Problem 20E Problem 21E: Using Cramers Rule In Exercises 9-22, use Cramers Rule to solve if possible the system of linear... Problem 22E Problem 23E Problem 24E Problem 25E Problem 26E Problem 27E: Use Cramers Rule to solve the system of linear equations for x and y. kx+(1k)y=1(1k)x+ky=3 For what... Problem 28E: Verify the system of linear equations in cosA, cosB, and cosC for the triangle shown.... Problem 29E: Finding the Area of a Triangle In Exercises 29-32, find the area of the triangle with the given... Problem 30E Problem 31E Problem 32E Problem 33E Problem 34E Problem 35E Problem 36E Problem 37E Problem 38E Problem 39E Problem 40E: Finding an Equation of a Line In Exercises 37-40, find an equation of the line passing through the... Problem 41E: Finding the Volume of a Tetrahedron In Exercises 41-46, find the volume of the tetrahedron with the... Problem 42E: Finding the Volume of a Tetrahedron In Exercises 41-46, find the volume of the tetrahedron with the... Problem 43E: Finding the Volume of a Tetrahedron In Exercises 41-46, find the volume of the tetrahedron with the... Problem 44E: Finding the Volume of a Tetrahedron In Exercises 41-46, find the volume of the tetrahedron with the... Problem 45E: Finding the Volume of a Tetrahedron In Exercises 41-46, find the volume of the tetrahedron with the... Problem 46E: Finding the Volume of a Tetrahedron In Exercises 41-46, find the volume of the tetrahedron with the... Problem 47E: Testing for Coplanar Points In Exercises 47-52, determine whether the points are coplanar.... Problem 48E: Testing for Coplanar Points In Exercises 47-52, determine whether the points are coplanar.... Problem 49E: Testing for Coplanar Points In exercises 47-52 determine whether the points are coplanar.... Problem 50E: Testing for Coplanar Points In exercises 47-52 determine whether the points are coplanar.... Problem 51E: Testing for Coplanar Points In exercises 47-52 determine whether the points are coplanar.... Problem 52E: Testing for Coplanar Points In exercises 47-52 determine whether the points are coplanar.... Problem 53E: Finding an equation of a plane In Exercises 53-58, find an equation of the plane passing through the... Problem 54E: Finding an equation of a plane In Exercises 53-58, find an equation of the plane passing through the... Problem 55E: Finding an equation of a plane In Exercises 53-58, find an equation of the plane passing through the... Problem 56E: Finding an equation of a plane In Exercises 53-58, find an equation of the plane passing through the... Problem 57E: Finding an equation of a plane In Exercises 53-58, find an equation of the plane passing through the... Problem 58E: Finding an equation of a plane In Exercises 53-58, find an equation of the plane passing through the... Problem 59E: Using Cramers Rule In Exercises 59 and 60, determine whether Cramers Rule is used correctly to solve... Problem 60E: Using Cramers Rule In Exercises 59 and 60, determine whether Cramers Rule is used correctly to solve... Problem 61E: Software Publishing The table shows the estimate revenues in billions of dollars of software... Problem 62E Problem 63E Problem 64E Problem 65E Problem 66E Problem 67E Problem 68E Problem 69E Problem 70E format_list_bulleted