Answer:
4/9
Step-by-step explanation:
8/2=4
18/2= 9
A door alarm works in 72 out of 100 cases.
surveillance camera works in 68 out of 100 cases.
The probability that method A is used = 72/100
The probability that method B is used = 68/100
Since both method are used we find the probability of A and B
Probability ( A and B) =
* 
=
Answer:
sex i guess
Step-by-step explanation:
plzzz mark bianlist
40+40+40= 120. If each inch is 40 then add 40 3 times