The perimeter of a square table is 12x,+4. what is the length of one side of the table

plz urgent

What is the anwers for 9+2x=5x-3-x

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?

If julia has a value of x5.4 that is equivalent to x10.9 true or false. explain