It is called an identity.
Substitute the number in the equation. If the resulting statement is true the number is a solution to the equation.
They're ALL divisible by 1... and themselves !
It is three times the number of sides on a base of the prism.
If you mean edges, true. If you mean faces, false.
They are an even number, greater than or equal to 6.
It is a true statement.
That statement is false.
Yes providing that it is a cuboid prism which in effect has 6 faces, 12 edges and 8 vertices
An example of a true statement in algebra is x=x
False. In fact, the opposite is true: all pyramids have an even number of edges.
No number, by itself, makes it true.
It enlarges continental landmasses and forms mountains along the edges of continents.
A solution or root makes a true statement when substituted in an equation.