Whoever answers 1 and 2 gets brainliest + 8 points! I really need the answers ASAP

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

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.

The diagram shows a cuboid abcdefgh abcd is a square with area 25cm². find the volume of the cuboid.