Answer:
( 1 , ∞ )
Step-by-step explanation:
Interval notation rounds up to infinite
In system A, the first equation multiply by 4
8x - 4y = 12 (1st)
3x + 4y = 10 (2nd)
--------------------add
11x = 22
So answer is B.
13/18
26/2= 13
36/2= 18
Answer:2