4_Un tren parte desde el reposo con una aceleración de \( 0.8 \mathrm{~m} / \mathrm{seg} 2 \) durante 30 seg cuando alcanza su velocidad final. ¿Cuál es esa velocidad en \( \mathrm{km} / \mathrm{h} \) ?

In un parallelogramma il perimetro è 104 cm , un lato è \( \frac{5}{8} \) dell'altro, l'altezza relativa al lato maggiore misura 16 cm . Quanto misura l'altezza relativa al lato minore?

Simplify the given expression. \( \sin \left(\tan ^{-1}(x)\right)=\square \)

Question 1 (1 point) Multiple Choice: How did the American Revolution impact the rights of Native Americans? It led to the recognition of Native American sovereignty and the protection of their lands. It resulted in the displacement and mistreatment of Native American tribes by American settlers. It had little impact on the rights and freedoms of Native Americans. It sparked discussions and negotiations about land rights and treaties between

ind the surface cerea of a cube whoose edge \( s 4 \mathrm{~m} \)

2) \( \left(x^{5}+2 x+4 x\right)=\left(-x^{6}+5 x\right)^{2} \)