\( 1 \leftarrow \) A 6 ft board is to be cut into three pieces, two equal-length ones and the third 9 in. shorter than each of the other two. If the cutting does not result in any length being lost, how long are the pleces? The first two pieces are each \( \square \) in. long.

posible: \( -10+2)=(-6+2) \cdot(-7+3) \)

A bus driver has a tax credit of \( € 60 \) a week and pays income tax on all his wages standard rate of \( 20 \% \). If he pays \( € 140 \) in income tax for the week, find his gross weekly wage.

a) \( x+5>8 \)

Determinar si es falso o verdadero: Sean \( H_{1} \) y \( H_{2} \) subespacios de un espacio vectorial \( V \). Entonces \( H_{1} \cap H_{2} \) es un subespacio de \( V \).

1) \( \begin{array}{l}y=4 x-17 \\ y=x-5\end{array} \)