Affirmative action is a policy of giving preference to those who
a.
have a much lower income bracket
b.
have historically been discriminated against
c.
have been unable to find a job
d.
have been fired for being too old

Plz .a bacteria population increases every hour. at 12 pm, there are 5cells. at 1pm there 10 cells. at 2 pm there 20 cells. at 3 pm there 40 cells. if the pattern continues how nany cells will there be at 7 pm. this is math.