Hope this helps! :)
There is an explanation in the photo below, as well as some things to remember!
Step-by-step explanation:

Answer:The answer has to be 9
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Step-by-step explanation: Because 2 plus 9 equals 11 and this is an addition problem
Answer:
$504
Step-by-step explanation:
since there is 12 months in a year , the family would pay 12$ a year.
12x12= 144
then since they paid a down payment of $360
360+144=504
so they would have paid $504