Acomputer technician charges a flat base fee plus an hourly rate for all repairs. last year, she used the formula to determine the cost in dollars, y, of a repair that required x hours of work. if she doubles her base fee this year, what equation should she use to determine the new cost of an x-hour repair?

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.