Answer:
A
Step-by-step explanation:
Yes, an angle less than 90 degrees is acute.
the answer of 2x +y = 20 ; 6x -5y =12
{ explained in image}
-4x-10≤2
-4x≤12 Add 10 on both sides
-x≤3 Divide by 4 on both sides
x≤-3 put a negative on both sides
Hope this helps :D Please mark brainliest if correct :D
