Answer:
The American population was 20% of the British population.
Step-by-step explanation:
Let us call
the american population,
the British population before the migration, and
the population that migrated from America to Britannia.
Now, the population
that migrated was 20% of the american population:
,
and the same population
increase the British population by 4%:

Combining equation (1) and (2) we get:



Thus, the American population was 20% of the British population.
Answer:A
Step-by-step explanation:
D. (xy2 + 3z14)(x2y4 – 3xy2z14 + 9z28
Answer:
21
Step-by-step explanation:
Add all of the numbers together then divide by 5