There are 7 fourth-grade classes at Grant Elementary. Each class has 28 students. About how many students are in the fourth grade at Grant Elementary? 28 students
140 students
О 210 students
• 280 students

It should be 196 because you would do 7*28 and that would be 196

Explanation:

the answer is

a) revise existing treaties

b) do away with political alliances

c) prevent the spread of communism

d) bring an end to european colonization

the main goal of the southeast asia treaty organization was to prevent the spread of communism in southeast asia.

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.