Arectangular building is to cover 20,000 square feet. building lots are rectangular. zoning regulations require 20 foot borders in front and back of the building and a 10 foot border on each side. use the optimization techniques of calculus to find the dimensions of the smallest piece of property on which the building can be legally built.

answer: y = -12x + 108

step-by-step explanation: do (y = m x+b) formula.

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles

answer: when you burn wood, the carbon reacts with the oxygen in the air to create ash and smoke. that is a permanent change you cannot undo that.

step-by-step explanation:

irrational, cannot