Answer: the answer would be To make sure they remain effective.
Step-by-step explanation:
It wouldn't be to make sure they are up to code because fire extinguishers do not use code, code is used in electronics. For the second option and the last option it would not be this because they could be trained in a practice instead of using the real thing.
Answer:
(-1, 5)
Step-by-step explanation:
3 [x + y = 4]
3x + 3y = 12
- 3x + 7y = 32
-4y = -20
y = 5
x + 5 = 4
x = -1
Answer:
$200
Step-by-step explanation:
The formula for calculating interest = principal x interest rate x time
principal is the amount borrowed = $1250
interest rate = 4%
Time = amount of years the money is borrowed for
$1250 x 0.04 x 4 = $200
