Answer:
Hence, the probability of a Negative test is 
.
Step-by-step explanation:
(a)
Let 
Drug user and 
Test positive
Probability of drug users 
(b)
Find the Probability of a Negative test,
X=17/2
Decimal form : x=8.5
Answer:
-19
Step-by-step explanation:
Answer:
D) 2
Step-by-step explanation:
A Triangle two sides added together must always be greater than the other side.
It can not be 2 because the two sides of a triangle added are not greater than the other side.
Here 5 + 2 = 7 which is not greater than 7 on the other side, so 2 fails.
Answer:
it's D
Step-by-step explanation:
it's d because if 74 would be the same as the left side next to x and if you turn that into a problem like 180-74 and I got 180 cause half of a circle is 180 and then my answer would be 106 I'm not good at explaining but it's d
