The average human life expectancy between the populations of the United States and Botswana in 2013 was 70 years of age. What was life expectancy of Botswanans in 2013 if Americans were expected to live to 80?

What is 6/10 rounded to the nearest half

On friday, there were x students at the baseball game. on monday, there were half as many students at the game as there were on friday. on wednesday, there were 32 fewer students at the game as there were on friday. which expression could represent the total number of tickets sold for all 3 games?

Assume that 0 a: 16/63 b: -16/63 c: 63/16 d: -63/16