Please help a brother out

f= -3/2 ,e= -square root of 8, and d is pie

Explanation:

pie=3.141

3/2= 1and 1/3 (means over one)

the square root of 8 =2.824

answer: ensure protection from communism

explanation:

the north atlantic treaty was largely dormant until the korean war initiated the establishment of nato to implement it, by means of an integrated military structure: this included the formation of supreme headquarters allied powers europe in 1951, which adopted the western union's military structures and plans.