If rectangle \( A \) has sides that are three times the length of those in rectangle \( B \), how do the areas of the two rectangles compare? B. The area of \( A \) is three times the area of \( B \). C. The area of \( A \) is six times the area of \( B \). The area of \( A \) is nine times the area of \( B \). E. The area of \( A \) is twelve times the area of \( B \). D. The area of \( B \).

b. La figura se armó con cubos cuyas aristas miden \( 3,5 \mathrm{~cm} \). Respuesta: ¿Cuál es el el volumen de la figura compuesta? de uno de los cubos?

a) Zeichne den Graphen folgender Funktionen in ein gemeinsemes Koordinatensysiem: (1) \( y=2 x+1 \) (2) \( -2 x-1 \) (3) \( y=2 x-1 \) b) Gib die Schnitpunkte der drei Geraden an.

22. A rectangular foor of a room measures 5.4 m long and 4.2 m wide. The room is to be covere with square tiles. Calculate the minimum number of square tiles that can be used to cover the floor.

1. Тип 1 № 27238 В В треугольнике \( A B C \) угол \( C \) равен \( 90^{\circ}, A C=4,8, \sin A=\frac{7}{25} \). Найдите

Find the equation of the line passing through \( (4,-3) \) which is perpendicular to the \( x \)-axis.