What are the coordinates of the point on the directed line segment from (-9, -2) to (9,-6) that partitions the segment into a ratio of 1 to 3?

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

Which of the following represents the factorization of the trinomial below? x^2+7x-30

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?