Compute the sums below. (Assume that the terms in the first sum are consecutive terms of an arithmetic sequence.) \( 5+3+1+\ldots+(-221)=\square \)

\begin{tabular}{|l|l}\hline 6) Montrer que l'équation \( f(x)=-3 \) admet une unique solution sur l'intervalle \( [2 ; 3] \) \\ \hline Exercice 3 \\ \hline\end{tabular}

Решите неравенство: \( \left(2^{\frac{x-3}{2}}-1\right) \sqrt{2^{x}-6 \sqrt{2^{x}}+8} \geqslant 0 \)

Soumik has \( \$ 5 \) less than Kofi. If they have \( \$ 97.50 \) altogether, how much does each person have?

In un triangolo rettangolo l'altezza relativa all'ipotenusa misura 6 cm e la proiezione di un cateto sull'ipotenusa è \( 4,8 \mathrm{~cm} \). Calcola perimetro e area del triangolo.

Which element or molecule is the electron acceptor in photosynthesis? ATP NADP warbon