Answer:
B = x is all real numbers
-by-step explanation:
The total of all angles of a heptagon is 900.
Therefore
x+125+119+117+145+133+140 = 900
x+779 =900
x= 900-779
x =121 degrees
Answer:
8x +5
Step-by-step explanation:
that's what I got.................
Answer:
64
Step-by-step explanation: