Answer:

Step-by-step explanation:
Hi,
We know that
P(A or B)=P(A)+P(B)-P(A and B)
so P(B)= P(A or B) - P(A) + P(A and B)
so
P(B) = 0.5 - 0.4 + 0.2 = 0.3
thanks
Answer:
slope= 2/3
Step-by-step explanation:
Slope intercept formula: y2-y1/x2-x1
5-7/5-8 = -2/-3 = 2/3
Answer:
(x - 3)^2 + (y + 2)^2 = 2^2.
Answer:
Jeff Bezos
Step-by-step explanation:
He is the amazon founder and CEO, He has a net worth of 193.4 billion and ranks the first richest person on earth today
Answer:
15,000
Step-by-step explanation:
20% of 15,000 is 3,000. 15,000-3,000=12,000