Answer:
-6
Step-by-step explanation:
The x intercepts must be 1 and -4, so C.
Answer:
The probability of cured people in who took the remedy is 8/9.
Step-by-step explanation:
Success rate of the cold remedy = 88%
The number of people who took the remedy = 45
Now, 88% of 45 = 
and 39.6 ≈ 40
So, out of 45 people, the remedy worked on total 40 people.
Now, let E: Event of people being cured by cold remedy
Favorable outcomes = 40

or,
= 
Hence, the probability of cured people in who took the remedy is 8/9.
14.9
Step-by-step explanation:
Here’s a trick 5 or more let it sore 4 or less let it rest.