2 Write down the lengths of AC for \( \angle \mathrm{B} \) to be: 4.2 .1 an obtuse angle 4.2 .2 an acute angle

4. In the 2022 national election, data showed that the percentage received by the top three senators from the total votes cast were as follows: Padilla \( -48 \% \) Legarda \( -41 \% \) Tulfo \( -40 \% \) Padilla and Legarda \( -25 \% \) Padilla and Tulfo - \( 18 \% \) Legarda and Tulfo - \( 12 \% \) a. What percentage of the total votes cast was received by the top three senators? b. What percentage of the total votes cast did not vote any of the top three senators?

42. The effective gross income from an office building property is \( \$ 73,500 \) and the annual operating experes the total \( \$ 52,300 \). If the owner expects to recelve al 11 percent return on his investment, what is the value of the property? a. \( \$ 668,181 \) b. \( \$ 125,800 \) c. \( \$ 475,454 \) d. \( \$ 192,727 \)

4. ¿Que ecuaciones cartesianas satisfacen estas rectas? b) \( R(t)=(4 t+7,2+3 t) \) d) La perpendicular a \( 2 x+3 y=5 \) que pasa por \( (4,1) \)

Disponi in ordine crescente i seguenti numeri. \[ \frac{1}{30000} ; \quad 9 \cdot 10^{-4} ; \quad \frac{10^{-1}}{3 \cdot 10^{4}} ; \quad \frac{3}{10^{3} \cdot 10^{2}} \]

Riconosci quali delle seguenti equazioni rappresentano ellissi, scrivile nella forma canonica e stabilisci se I fuochi appartengono all'asse \( x \) o all'asse \( y \). \( \begin{array}{llll}\text { S } & \text { a. } x^{2}+\frac{y^{2}}{2}-1=0 ; & \text { b. } x^{2}=9 y^{2}+1 i & \text { c. } x^{2}+25 y^{2}-100=0\end{array} \)