Answer by JKismyhusbandbae: 9
(5 + 12 + 8 + 12 + 11 + 8 + 5 + 5 + 7 + 12)/10=9
To find the mean, add up all the lengths and divide by 10.
Answer:
creating shapes,angles and lines
Answer:
14
Step-by-step explanation:
9 + 4 = 13 and 1/2 + 1/2 = 2/2 = 1 and 13 + 1 = 14