Object a gas a mass of 20kg, object b has a mass of 30kg. they both have the same volume of 2cm cubed. what is the density of each object, and which one is larger

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

One angle of a linear pair is 10 more than two-thirds the other angle. find the measure of both angles.

The length of a rectangular plot of land is given by the expression 6x^3y^4. the width of the plot is given by the expression 5x^5y^4z. find an expression to represent the area of the rectangular plot.