A cylinder-shaped sediment tank at a wastewater treatment plant has a diameter of 80 ft. If the liquid inside the tank is 25 ft deep, how many ft3 of wastewater does the tank hold? (Round your answer to the nearest cubic foot.)

A company who makes flotation devices has products that come in many different shapes and sizes. Complete parts a and b below using the figures shown to the right. Use the a button on your calculator. Base part (a) Base part (b) ..... a) Determine the volume, in cubic inches, of a flotation device that is in the shape of a 7-ft-long solid octagonal prism whose base has an area of 4 in. The volume of the flotation device is in.. b) Determine the volume, in cubic inches, of a hollow flotation device that has the same shape as the flotation device described in part (a) except that a right circular cylinder of a diameter 0.5 in. has been removed from the center. The volume of the flotation device is in.". (Type an integer or a decimal. Round the final answer to the nearest hundredth as needed. Round all intermediate values to the nearest thousandth as needed.)

The volume of a 15−oz cereal box is 180.4 in3. The length of the box is 3.2in. less than the height, andits width is 2.3in. Find the height and length of the box to the nearest tenth.Hint: The volume ofa rectangular box is equal to Length∗Width∗Height.

Consider the following figure. i9 ft 25 ft 22 ft 30 ft 10 ft 3 ft (a) Determine the surface area (in square feet) and volume (in cubic feet) of the swimming pool above. surface area ft² ft 3 volume (b) Determine how many gallons of water the pool will hold. (Assume there are 7.48 gallons per cubic foot) gal