What explains the increase in life expectancy in Botswana? A. the increased availability of jobs and an improved economy B. access to antiretroviral drugs, HIV/AIDS education, and widespread HIV/AIDS testing C. a series of military takeovers that stabilized the political system and led to education reform and increased literacy rates D. a recent military coup that led to an improved healthcare system Please select the best answer from the choices provided. A B C D

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].

Answerscripps institution of oceanography; i believe this is correct plz check first good luck;