Answer:
A
Step-by-step explanation:
x+2y=3
5x-3y=2
Subtract 2y from both sides of the first equation to isolate x:
x=3-2y
Substitute this into the second equation:
5(3-2y)-3y=2
15-13y=2
y=1
x=1
Therefore, the correct answer is choice A. Hope this helps!
I think it is
(18.0, 22.0). We are 95% confident that the mean age of university students is between 18 and 22.
d
6a−14
