Answer:

Step-by-step explanation:
The value in 
The value in 
The value in 
By definition of conditional probability,
P(B | A) = P(A ∩ B)/P(A) = (13/25) / (13/20) = 20/25 = 4/5
Answer:
27.5 inches^2
Step-by-step explanation:
Area of a triangle =

Plugging in the equation,
