If your house is facing the north and your facing the east, what direction is your left hand facing? a. north b. east c. south d. west what would happen if it rained on a rock almost everyday for 3 years? a. it would start to crumble b. it would start to take a natural formation c. it would stay the same : |

A. the north b. it would take a natural formation

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].

Tropical climate is experienced in the nothern countries of south america