Help! Seth has money in his savings account. He is going to use 15% on this to buy a bicycle. If he spends $120 on the bicycle, how much was in his savings account before buying the bicycle?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?

Determine the area of a triangle with (see picture below)

Quadrilateral abcd is a parallelogram with diagonals that intersect at point e. which of the following statements is true?