If 4x-2y> 3 and 2x-2y< 18, which must be true?

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

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.

Im literally having a mental breakdown