Optimization: Find the dimensions of an open box with a square base that will minimize cost of materials if the volume is to be 1,000 cubic inches, the material for the sides costs 3 cents per square inch, and the material for the base costs 4 cents per square inch. Round your final answers to 3 decimal places, and include correct units.

The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave