Frank, Henry, and James mow lawns over the summer. Henry work for 3 hours less than twice how many hours Frank worked. James worked 5 hours more than Frank. Total they worked for 276 hours. How many
hours did Henry work? (Hint: Frank works x hours).
Show the equation in your work and solve.

To diagonalize an nxn matrix a means to find an invertible matrix p and a diagonal matrix d such that a pdp d p ap or [1 3 dh epap 3 let a=-3 -5 -3 3 3 1 step 1: find the eigenvalues of matrix a "2's" step 2: find the corresponding eigenvectors of a step 3: createp from eigenvectors in step 2 step 4 create d with matching eigenvalues.