Assuming that you mean to put n instead of 5, this is demonstrating The Identity Property.
The identity property is the property that states that by adding 0 to a number, you don't change the value. For example, 510 + 0 = 510.
I use a website called desmos.com when I need to graph a function. Heres a picture of what it should look like.
The answer is negative twenty five. By the way, if that is you in the picture, you are beautiful.
The significant components, the radius and the height, are in inches and feet respectively, you'd need to convert them both to the same unit, whichever it may be, meters or feet or inches or millimeters, so long is the same, then use the volume of a cylinder equation to get it.
15 because it’s 3 times the actual amount
