Questions in Grade High-school

Questions in Grade High-school

[Homework Help] What were the effects of the nationwide rail network on the United States?

[Homework Help] Why were roads significant to the Roman Republic and ancient cultures and religions of the same time period?

[Homework Help] Within a period, an increase in atomic number is usually accompanied by A. a decrease in atomic radius and an increase in electronegativity. B. an increase in atomic radius and an increase in electronegativity. C. a decrease in atomic radius and a decrease in electronegativity. D. an increase in atomic radius and a decrease in electronegativity. E. None of these answer choices is correct.

[Homework Help] Solve the equation for \( a \). \[ D = vt + \frac{1}{2}at^2 \]

[Homework Help] How do you factor [tex]16x^2 - 72xy + 81y^2[/tex]?

[Homework Help] Why were bananas and camels so significant in early African history? - What do they represent? - How did they change the way people lived? Explain.

[Homework Help] Who, what, when, where, why: Treaty of Versailles - Who: The Allied Powers and Germany - What: A peace treaty that ended World War I - When: Signed on June 28, 1919 - Where: Versailles, France - Why: To formally end World War I and outline the terms for peace and reparations

[Homework Help] Determine the number of electrons in the outer ring (valence electrons) for each of the following elements: - Phosphorus - Potassium - Oxygen - Iodine - Gold - Bromine - Sulfur - Cobalt

[Homework Help] Translate the question into an equation. Let \( x \) be the unknown number. 6.4 is 90% of what number?

[Homework Help] Use the quadratic formula to solve the equation: \[ 9x^2 - 6x - 11 = 0 \] Where the quadratic formula is given by: \[ x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a} \]