The basement for a house is being excavated and the rectangular hole measures 11m by 14,5m by 4m. The soil is being hauled away in a dump truck which has an open-box bed of 4m by 3m by 200 cm . The truck Cant be overloaded at any time. How many trips will the dump truck have to make a haul away all of the soil.

Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.