Answer:
It's a he
Step-by-step explanation:
It is a man living in Libya, who sends messages through ha.cked people's accounts.

is already in simplest form.
But if you meant to say

, we would combine the first two terms.
Adding/subtracting like terms is the same as adding/subtracting whole numbers.

Therefore:

Which gives us:
Answer:
L=10pi, or 31.42
Step-by-step explanation:
I WOULD DO THE EASIEST, A.
Answer:
Probability that both such alarms fail is 0.03027
Step-by-step explanation:
Probability the alarm fails = 0.174 (this is calculated by dividing the percentage by 100 like: 17.4/100)
Probability that both such alarms fail = 0.174 * 0.174 = 0.03027