The number of books read by a mathematician 2 years after he turned 25 is given by the polynomial
function c(x) = 3x2 + 80x. find the number of books read by him when x = 4 years.

If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.

Rose and andrew are financing $128,000 to purchase a condominium. they obtained a 15-year, fixed-rate loan with a rate of 5.05%. they have been given the option of purchasing up to four points to lower their rate to 4.81%. how much will the four points cost them?

The hockey team has been great! in 2008 they won 20% more games than in 2007. in 2009 they won 50% more games than in 2008. what was their overall percentage increase from 2007 through 2009?