Answer:
B) 13
Step-by-step explanation:
Average age means to calculate mean:
Mean = (Sum of all numbers)/(Number of numbers)
Mean = (14 + 14.5 + 12 + 11.5 + 15 + 13 + 10.5 + 13.5)/8
Mean = (104)/8
Mean = 13
A square is a rhombus, but a rhombus is not always a square
Answer:
i dont know but some one will help freeee points
Step-by-step explanation:
Answer:
-7
Step-by-step explanation:
there is nothing to explain but anyways
-4 - 3 = -7