It will be. -3(n+8) because you have to go from greatest to least and then 2 negatives will equal a positive
y+z=10
x+z=8
x+y=12
(y+z)-(x+z)=10-8
y-x=2
y-x=2
y+x=12
solve simultaneously
x=5, y=7
then substitute to get z=3
hence xyz=573
3x-5 is a midline of that triangle so:

Answer D.
Answer:
6) 2/3
7) 1/2
8) 5/8
9) 3/4
10) 1
11) 1
12) 7/12
Hope this helps :^)
Step-by-step explanation:
Answer:
I think it's 12
Step-by-step explanation:
Hope it helps!