A good answer might be:

The answer is below.

Completed Program

## newMult.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
        ori      $9, $0,  5       # put 5 into $9
        mult     $9, $8           # lo <-- 5x
        mflo     $9               # $9 = 5x
        addiu    $9, $9,-74       # $9 = 5x - 74

## End of file

QUESTION 7:

What does the "u" mean in each of the following instructions: