Claire wants to buy enough sand to fill a sandbox that is shaped like a rectangular prism. The sandbox is 4 feet long, 4 feet wide, and 0.5 foot high. If a bag of sand holds 0.5 cubic feet and costs $2.55 per bag, how much will it cost her to fill the sandbox?

A3x4x5 rectangular cuboid (e.g. a brick) is painted blue and cut into 1x1 cubes. what is the expected value for the painted sides of a randomly selected cube?

Identify the graph of y = ln x + 1.

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.