Describe the rise and fall of old kingdom egypt. a good answer should discuss the role of centralization in the rise of old kingdom egypt. in doing so you should discuss the role of the nile, the role of the redlands, the position of the pharaoh, taxation, and the cult of the pharaoh as well as the eventual fall of the old kingdom.

Amath expression is a collection of one or more terms, which are separated by the signs ( + , - , x , / ).example :   8+b8+b  or  a−3a−3in algebra, an equation is a mathematical statement with two expressions where, each expression is separated by an equal (=) sign. variables can be present on both the sides of the equality (=) sign and we use letters to denote such variables.example 1:   x=4+2x=4+2  , [here, we can observe that the variable is present only on one side of the equation].example 2:   2x+3=x+42x+3=x+4  , [here, we can observe that the variables are present on both side of the equation].

Answertrue;

Why you put last one a? i think is b.