The distance from Hong Kong to Shenzhen is 32 km. How far apart will they be on a map of scale 1: 50000

Issof claims that the scale factor is 1/2. which statement about his claim is correct

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.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?