Dites ce que Djamal fait (is doing). Compl$\'e$tez chaque phrase avec l'heure correcte d'apr$\`e$s son agenda (according to his day planner).

Day planner: 9h35 Carrefour/ 11h50 Caf$\'e$ de la poste/ 13h05 Cin$\'e$ma/ 19h30 Teuf d’Am$\'e$lie.

Il est au cin$\'e$ma$\ldots$

-$\`a$ sept heures et demie. -$\`a$ midi moins dix. -$\`a$ une heure cinq. -$\`a$ dix heures moins vingt-cinq.

Find the indicated quantities for the appropriate sequences.

$$d =\frac{4}{3},a_1=-3, a_n=17, n = ?$$

A unit step current is applied through a 1-H inductor. The voltage across the inductor is:

$$\begin{array}{ll}{\text { (a) } u(t) \mathrm{V}} & {\text { (b) } \operatorname{sgn}(t) \mathrm{V}} \\ {\text { (c) } e^{-t} u(t) \mathrm{V}} & {\text { (d) } \delta(t) \mathrm{V}}\end{array}$$

8.6$ miles to kilometers (Convert the quantities to the indicated units. Where necessary, round to the nearest tenth.)

If $A$ and $B$ are $n \times n$ matrices, show that $(A \mathbf{u}, B \mathbf{v})=$ $\left(\mathbf{u}, A^T B \mathbf{v}\right)$ for any vectors $\mathbf{u}$ and $\mathbf{v}$ in Euclidean space $R^n$ with the standard inner product.

Write and balance a chemical equation for the combination reaction of nitrogen gas $\left(\mathrm{N}_2\right)$ with each of the following: (a) $\operatorname{Mg}(s)$ (c) $\operatorname{Li}(s)$ (b) $\mathrm{Rb}(s)$

What are some examples of innovative products that have disrupted their industries for the better?

Find a basis for the span of the given vectors.

$$\left[ \begin{array} { l l l l } { 2 } & { - 3 } & { 1 } \end{array} \right] , \left[ \begin{array} { l l l } { 1 } & { - 1 } & { 0 } \end{array} \right] , \left[ \begin{array} { l l l } { 4 } & { - 4 } & { 1 } \end{array} \right]$$

Match the inequality with its graph. [The graphs are labeled (a)–(h).]

$$x<3$$

According to Freud, dream symbols are typically erotic in nature.

A. True
B. False

Evaluate the integral.

$$\int_{1}^{3} \frac{(3 x+1)^{2}}{x^{3}} d x$$

Événements spécifiques ou événements habituels?

$$\begin{array}{|l|l|l|l|l|l|l|l|l|l|l|l|l|} \hline & & & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 \\ \hline \text { A. événements spécifiques } & & \checkmark & & & & & & & & & & \\ \hline \text { B. événements habituels } & \checkmark & & & & & & & & & & & \\ \hline \end{array}$$

[Je m'arretais/Je me suis arrete] pres du lac ou des enfants

[jouaient/ont joue] dans l'eau.

Consider

$$A=\left[\begin{array}{ll}0 & 1 \\ 0 & 3 \\ 5 & 6\end{array}\right], B=\left[\begin{array}{rr}-1 & 0 \\ 3 & 5 \\ 2 & 6\end{array}\right]$$

,

$$C=\left[\begin{array}{rr}-4 & 0 \\ 3 & 2\end{array}\right]$$

, and

$$D=\left[\begin{array}{rr}5 & 0 \\ -2 & 1\end{array}\right]$$

Calculate the following (if they exist).

(a) $2 A-3(B C)$ (b) $A B$ (c) $A C-B D$

(d) $C D-2 D$ (e) $B A$ (f) $A D+2(D C)$

(g) $C^3+2\left(D^2\right)\left(\right.$ where $\left.C^3=C C C\right)$.

Arrange the quantities from smallest to largest. 2.67 kl, 3000 ml, 14630 cl