You expand a rectangular garden so the perimeter is now twice the perimeter of the old garden. The expression 12w+16 represents the perimeter of the new garden, where w represents the width of the old garden. a. Write an expression that represents the perimeter of the old garden.

b. Write an expression that represents the area of the old garden.

You'll get mark as brainlist

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An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet