In? 2006, the population of the country was 30.4 million. this represented an increase in population of 7.6 % since 2001. what was the population of the country in? 2001? round to the nearest hundredth of a million.

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.

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?