I think that it is A I am not sure but i do think its either A or D
Answer:
Step-by-step explanation:
5x+4x-68=34-8x
combine like terms: 9x-68=34-8x
add 8x to both sides and cancel out eachother : 17x-68=34
now add 68 to both sides: 17x=102
now divide: 102 by 17
x= 6
Answer:
half- an hour
Step-by-step explanation:
Conditional probability:
P ( B \ A ) = P ( A and B ) / P ( A )
Probability of an event B given by that A has already occurred.
P ( A and B ) = 0.051
P ( A ) = 0.32
P ( B \ A ) = 0.051 / 0.32 = 0.159375 ≈ 0.159
Answer:
B ) 0.159