Need with world geo.
1. portions of northeast africa were historically invaded by which two groups?
romans and spanish
romans and arabs
arabs and french
arabs and british

The Romans and Arabs were the two groups that historically invaded portions of northeast Africa. Also, it is important to note that political independence swept through Africa during the 1950's.

980 is the correct answer

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].