A rectangular garden has a length of 9 feet and a width of 4.5 feet. What is the perimeter of the garden?​

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.