The question, “how many ways can 4 students be chosen from a class of 30 students? ”, is a(n)
a)combinations
b) permutations
c) independent event
d)mutually exclusive event

 Option 'A' is correct.

Step-by-step explanation:

Since we have given that

Total students in a class = 30

Number of students is to be chosen = 4

So, we will use Combination :

As Combination is the collection of the object irrespective of any arrangement.

So, Number of ways to choose 4 students among the 30 students is given by

Hence, Combination is the required answer.

Therefore, Option 'A' is correct.

5x+2x=49

7x=49

x=7. 35 apples

i think u have 12 apples sorry again i don't really know if it correct i'm just tryna hrlp people out.