Answer:
All events are independent
Step-by-step explanation:
You are given the table

Two events A and B are independent when

a) A="Chocolate"
B="Adults"
A and B="Chocolate and Adults"

Since
events are independent
b) A="Children"
B="Chocolate"
A and B="Children and Chocolate"

Since
events are independent
c) A="Vanilla"
B="Children"
A and B="Vanilla and Children"

Since
events are independent
Answer:
It is D
Step-by-step explanation:
60 is a solid number which is crucial in the first step of solving a problem.
Hope this helped!
The sum of a number.....means addition
ur expression would be : x + 21