Answer:
Segregation is the physical separation of peoples on the basis of ethnicity and social custom historically applied to separate African Americans and Mexican Americans from whites in Texas. Although the law specified until 1890 that black schools were to have equal access to the common school fund, they often did not.

The fist shots in what? a war? if so which and if not then what shots are you reffering to??
B? I am not sure
I think this is what it is
Answer:
how do you find the radius of a circle if you only know the area of the circle. Do you somehow reverse the Pi formula. and hence if you know A, divide it by π and then take the square root to find r.