Answer:
6 weeks
Step-by-step explanation:
First you add 23+19 which is 42
Then you divide 42 by the number of days in a week (7)
42/7=6
Answer:
I think its A but try it.....
Answer:
Step-by-step explanation:
The half life is the amount of time it takes a substance to decay to half of its original amount.
Since the radioactive substance has a half life of 1000 years, there will be half of it left after 1000 years.
So, the fraction that will be left after 1000 years is
(x + 2)(x - 5)(x - 8)
Substitute them into each other to get the whole equation)