Answer:
a b
m n
the 2nd one
Step-by-step explanation:
Answer:
Step-by-step explanation:

You would take d times t seconds and find the answer
The correct answers are A and D
Answer:
4
Step-by-step explanation:
6+2+4+2+2+7+5+6+3+3=40
40/10=4
Therefore the mean is 4