When potassium chlorate is heated, it decomposes to potassium chloride and oxygen gas. Calculate the mass of oxygen gas produced by 0.25 kg of potassium chlorate.

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

Darian wants to build a regulation size pool table that is 9 feet in length. he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table

Using elimination, what is -4x+2y=-12 4x+8y=-24