The sophomore class at south high school raised $800 from the sale of tickets for the dance. tickets sold for $1.50 in advance, and $2.00 at the door. if a total of 475 tickets where sold, the number of tickets sold at the door is [ ]?
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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.