Determine the constant that should be added to the following binomial so that it becomes a perfect square trinomial. Then write and fa \( x^{2}-8 x \) The perfect square trinomial is \( x^{2}-8 x+\square \). (Type an integer or a simplified fraction.)

(4) 2 En cual de las siguientes opciones se representa la frase of doble de la tercera parte de la diferencia entre \( 8 y 6^{\circ} \) ? (A) \( 2 \cdot \frac{1}{3} \cdot 8-6 \) (B) \( 2 \cdot \frac{1}{3} \cdot(8-6) \) (C) \( 2 \cdot 3 \cdot 8-6 \) (D) \( 2 \cdot 3 \cdot(8-6) \)

If there are 30 chairs for every days table there are chairs cor 15 t

\( -a^{8} b^{9} c^{4} \) entre \( 8 c^{4} \)

4 pounds \( \approx \quad \) grams

Alejandra drove from Michigan to Colorado to visit her friend. The speed limit on the highway is 70 miles/hour. If Alejandra's combined driving time for the trip was 14 hours, how many miles did Alejandra drive?