Answer:
The probability is 0.05.
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes.
In a certain study comma the chances of encountering a car crash on the road are stated as "1 in 20."
This means that in 20 times you go out on the road, in 1 of them you are expected to encounter a car crash.
This means that

The probability is 0.05.
Answer:
thank you? i guess...
Step-by-step explanation:
Answer:
10 +15-14 -21 is the answer (option 2)
Step-by-step explanation:
you use the foil method to multiply it out :)