a cylindrical tank of water of radius 10.5cm and radius 20 cm is emptiedi into another cylindrical tank of radius 10cm. find the height of the new tank to two decimal places​

What can you determine about the solutions of this system

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

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years