(3+6X(5+4)÷3-7) the answer is 14
THat would be A , B, C and E
Answer:

Step-by-step explanation:
Number of students participating in the competition = 13.
Total number of students in the school = 15.
Thus ,
the number of students who did not make to this competition =
Total number of students - number of students participated
= 15-13 = 2.
Now ,
probability of the student who do not makes it to the competition
= fraction of students who did not make to this competition from the total number of students .
=
.
You have to equal out each side to fine the value of the variable.
hope this helped!!!
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Answer:
i think ur question is wrong