Sameeksha bought a pen and a book for ₹ 45 . The book was 8 times more expensive than the pen. What are the prices of the book and the pen?

Simplify \( \frac{3}{4}+\frac{2}{3}(9 x+6)+4 x+3 \frac{1}{4} \)

Решите систему неравенств. \( \left\{\begin{array}{l}4 x>0 \\ \frac{1}{5} x \geq-1\end{array}\right. \) Ваш ответ:

s of ' \( a \) ' and ' \( b \) ', for which the equations \( 3 x-(a-1) y=b+7,6 x-(a+4) y=5 b-1 \) infinite solutions, are

\( P(x)=x^{2}-x-3 \) olduğuna göre, \( P(x+1)+P(x-1) \) ișleminin sonucu nedir?

Usa logaritmos para encontrar el valor de x en la ecuación: \( 3^{x} = 1/9 \).