A bar 0.75 metres in length has a mass of 25 kilograms. What is the mass of a bar of similar iron that is 180 centimetres long?

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

The table represents a linear function. what is the slope of the function? –6 –4 4 6

What can you determine about the solutions of this system