1/8 because if I choose a black one first then put it back there isn't a 50% chance
Answer:
there that should help
Step-by-step explanation:
Answer:
The expression is not factorable with rational numbers.
Step-by-step explanation:
X= 1 y=4, x=2 y=8, x=3 y=12
4x-30=2x+50
+30 +30
4x=2x+80
-2x -2x
2x=80
/2 /2
X=40
4(40)-30=130°
2(40)+50=130°
180-130=50°
Angle 7=50°
