14. An image that is projected onto a movie screen measures 8.8 meters by 6.4 meters. The projection is similar to the individual frame on the movie reel. If the projection has a scale factor of 400 , what are the original dimensions of a frame on a movie reel?

Describe cómo calculas el volumen de a. un cubo.

- Given \( p=(3,-2), q=(-1,5) \), and \( r=(2,4) \) : i) Write \( p, q \) and \( r \) as column vectors ii) Hence determine \( 2 p-3 q+r \) - Given the points \( A(2,-3) \) and \( B(-4,7) \), determine: i) Vector \( \overrightarrow{A B} \) ii) The magnitude of \( |\overrightarrow{A B}| \).

\( 1^{\circ} \) a) Write \( \widehat{x O z} \) using \( \widehat{x O y} \) and b) Write \( \widehat{y O I} \) using \( \widehat{y O z} \) and c) Show that \( \widehat{x O z}=\widehat{y O t} \).

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

12-inch pizza: \( r=12 / 2=6 \) So \( A=\pi(6)^{2}=113.1 \), square inches