Answer:
D
Step-by-step explanation:
It wouldnt be a single grade being surveyed so we would choose d in additon a and b isnt national since it says 'in a certain town' and 'in a certain county'.
Which leaves you with D.
Answer:
18.6 minutes
Step-by-step explanation:
subtract. im sorry if this is not right. im not smart
Answer:
12
Step-by-step explanation:
The range of a data set is just the difference between the largest and smallest values.
So, let's find the smallest value: it's 39. The largest value is 51.
Their difference is:
51 - 39 = 12
Thus, the answer is 12.
<em>~ an aesthetics lover</em>
Answer: 2m + 2m
Step-by-step explanation: m + m is 2m and the same for the other two m's which is why m + m + m + m is 2m + 2m