When a certain number is trebled then decreased by 1, the result is twice as much as 5 more than the number? what is the number?

Which of the choices shown could be used to prove that aacp=abcp ?

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.

Aiko jumped rope for 20 min and stopped at 8: 05 when did she start