The half-life of a radioactive kind of antimony is 60 days. If you start with 720 grams of it, how much will be left after 180 days?

The ratio of two numbers is 5 to 4. the sum of the numbers is 99. what number is the greater of the two numbers?

If 3x+8=3x+8 is it one solution or no solution

Drag each tile to the correct box. not all tiles will be used. consider the recursively defined function below. create the first five terms of the sequence defined by the given function