Gabriela bought a new pair of glasses at the store when they were having a \( 30 \% \) off sale. If the regular price of the pair of glasses was \( \$ 72 \), how much did Gabriela pay with the discount? \( \$ \)

A company is going to have a dinner party in a restaurant for its top employees. The restaurant is going to charge them \( \$ 280 \) for the use of their function room, plus \( \$ 40 \) per dinner. The company has a budget of no more than \( \$ 1500 \). What is the greatest number of people they can invite to this dinner? o 30.5 people o 31 people o 30 people o 37 people

Convince Me! Use Structure Dario says, "I can find \( 9 \times 0<3 \times 1 \) without computing. I can think about properties that I know." What could he mean?

EXERCICE 2 - AFRIQUE DU NORD 2001 On considère le nombre : \[ F=\frac{3 \times 10^{2} \times 1,2 \times 10^{-5}}{15 \times 10^{2}} \] Donner l'écriture scientifique du nombre \( F \).

1) \( \left[\begin{array}{l}3 \\ 4\end{array}\right]-\left[\begin{array}{l}-5 \\ -1\end{array}\right] \)

b) \( -5: \frac{10}{3}+\frac{10}{4} \)