If A and B are independent events with p(A)=0.30 and P(A and B) = 0.21 ,find P(B)

me! what did you put for this question?

step-by-step explanation:

no because after the troops were pulled many blacks were killed by hangings lynchings and other cruel ways which in a way interrupted the reconstruction of the south and differed from the way abraham lincoln had an idea of reconstruction

from the sentence, "tomorrow morning, akiko will arrive an hour late" depicts a third person perspective because it doesn't use any pronoun to replace akiko, the subject of the sentence, and it is in singular form since akiko is only one person.

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x