Amechanic charges $25 per hour and $40 for each hour of overtime. for a job, the mechanic works 5 regular hours, an unknown amount of overtime hours, and charges $200 for new parts. the amount of the bill for the job is $525. write and solve an equation to find the number of overtime hours the mechanic worked.

Which graph represents an even function?

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12

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.