at elmwood middle school there are 4 teachers or every 68 students there are 425 students enrolled at school. how many teacher are needed step by step

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water

What is the molar mass of potassium nitrate, kno3

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied