What are some things to be aware of that can lead to higher than expected total when making a purchase or checking out?

Find the volume of the solid generated when the region bounded by y= x and y= 4√x is revolved about the x-axis the volume of the solid is: (type an exact answer cubic units)

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

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?