### A good answer might be:

The complete program is below.

# Filled Blanks

    ## slowMult.asm
    ##
    ## Program to calculate 5×x - 74
    ##
    ## Register Use:
    ##  $8   x
    ##  $9   result

            .text
            .globl  main

    main:
            ori      $8, $0, 12        # put x into $8
            sll      $9, $8,  2        # $9 <-- 4x
            addu     $9, $9, $8        # $9 = 5x
            addiu    $9, $9,-74        # $9 = 5x - 74

    ## End of file

### QUESTION 14:

Could the program be written using just one register?