Answer:
6 3/4
Step-by-step explanation:
9 * 3/4
Rewriting as a fraction
9/1 * 3/4
27/4
Changing to a mixed number
24/4 + 3/4
6 3/4
circumference of circle = 2×3.14×50
circumference = 100×3.14
circumference = 314m
option c is correct answer friend
102+39+B=180
141+B=180
-141 -141
B=39
its the first one