Rita promises to give her 12–year–old daughter $12,000 when she turns 18. how much does she need to put in the bank now if the interest rate is 12 percent per year?

Abox of chocolates costs $7. which equation relates the number of boxes sold (x) and total cost of the boxes sold (y)?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

According to the data set, where should the upper quartile line of the box plot be placed?