State whether the following statement is true or false:
Only one line can pass through a single point.

The side faces of a pyramid are:

Write whether the following statement is True or False. Justify your answer.
If a quantity $B$ is a part of another quantity $A$,then $A$ can be written as the sum of $B$ and some third quantity $C$.

In the figure,if $OX = \frac{1}{2} XY$,$PX = \frac{1}{2} XZ$ and $OX = PX$,show that $XY = XZ$.

The number of dimensions a point has is:

Solve the equation $a-15=25$ and state which axiom do you use here.