If x + y + z = 0, then what is the value of
\[
\frac{x^{2}}{yz} + \frac{y^{2}}{xz} + \frac{z^{2}}{xy}
\]
The area of a sector of a circle is 308cm2, with the central angle measuring 45°. The radius of the circle is:
Select the correct passive voice form for the given sentence.
Rashi was writing a letter to her husband.
A letter was being written by Rashi to her husband.
A letter were being written by Rashi to her husband.
A letter was been written by Rashi to her husband.
A letter were been written by Rashi to her husband.
Select the most appropriate ANTONYM of the given word.
Exemplary