Answer:
11
Step-by-step explanation:
33÷3= 11
11 shows every month
Answer:
Step-by-step explanation:
R'S' is equal in length to RS.
length doesnt change, it was just rotated.
The difference of the expression
is 
<h3>How to determine the difference?</h3>
The expression is given as:

Factor the denominators of the expressions:

Apply the difference of two squares to x² - 9

Take LCM

Hence, the difference of the expression
is 
Read more about expressions at:
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I think it’s 12, if you take $360 and subtract the $120 deposit you get 240 and i divided that by 20 to get 12.