Answer:
x=3i-2,x=-3i-2
Step-by-step explanation:
x+2=
= x=3i-2,x=-3i-2
Hoped this helps you!! :D
Answer:
100% chance of this happening.
Step-by-step explanation:
The chances of this happening = 100% because all the numbers are greater than 0.
Answer: 0.31
Step-by-step explanation:
Let A denotes the event that the students report drinking alcohol and B denotes the students report using some type of tobacco product .
Given : P(A) =0.84 ; P(B)=0.33 and P(A∪B)=0.86
We know that
Then, the probability that the student both drunk alcohol and used tobacco in the past month is given by :-
Hence, the probability that the student both drunk alcohol and used tobacco in the past month = 0.31
Answer: 13
Step-by-step explanation: All you have to do is subtract -12 from -25 and you get -13. If it was -25 from 12 you would just add the two together.