A

1103018801

Level: 
A
Choose the correct verbal description of the angle shown in the picture:
The angle between two space diagonals of a cube.
The angle between a space diagonal of a cube and its edge.
The angle between two face diagonals of a cube.
The angle between a space diagonal of a cube and a face diagonal.

1003020602

Level: 
A
Find the domain of the expression. \[ \frac{\sqrt{x^2-x-6}}{x^2-7x+10} \]
\(\left(-\infty;-2\right]\cup\left[3;5\right)\cup\left(5;\infty\right)\)
\(\left(-\infty;-2\right)\cup\left(3;\infty\right)\)
\(\left(-\infty;-2\right)\cup\left(3;5\right)\cup\left(5;\infty\right)\)
\(\left(-\infty;2\right)\cup\left(3;5\right)\cup\left(5;\infty\right)\)