Answer:
18
Step-by-step explanation:
a=6
r=2/6=1/3<1

Answer:
A
Step-by-step explanation:
i am pretty sure its A because on the top one their is one negative and all of the other one are positive.
Answer:
-12/14 or simplified would be -6/7
Step-by-step explanation:
-6-6/-5-9= -12/-14
Proportionally? Not sure. But here is a way to find out the value of x
50° + 2x+40 +4x+8 = 180°
Combine like terms
50°+ 6x + 48=180
(now subtract 50° from both sides)
6x + 48 = 130°
(now subtract 48 from both sides
6x=82°
x= 13.6666667° (repeating decimal)