Answer:
A. {4,3}
Step-by-step explanation:
x -2y = -2
y = - 3x +15
x - 2(-3x+15) = -2
x +6x - 30 = -2
7x = 28
x = 4
y = - 3x +15 = - 3*4 + 15 = -12 + 15 = 3
{4,3}
Answer:
The margin of error is given below:

Where:



Therefore, the option E = z*6% is correct as it closest to the given answer
The answer is 34% of (US$ 1000) = <span>340 US$
~hope this helps! :D</span>
Answer:
V = 960
or 3015.93
Step-by-step explanation:
V = 
= 
= 960
or 3015.93