The areas of 4 different squares are listed below. Which area represents a square with a side length that is a rational number? 36 square feet
48 square feet
24 square feet
72 square feet

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Ihave trouble finding the nth term of a linear sequence

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.