On melissa’s 6th birthday she gets a $6000 cd that earns 6% interest, compound semiannually. if the cd matures on her 13th birthday how much money will be available?

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?