3451 now I’m just putting 20 characters to answer lol
Answer:
B.
Step-by-step explanation:
All you have to do is replace x with (a+2) on the right side.
BADEHGJK NM because it's going backwards and then it skips a letter
Median age is the age that divides a population into two numerically equally sized groups - that is, half the people are younger than this age and half are older. It is a single index that summarizes the age distribution of a population.